diff --git a/platformio.ini b/platformio.ini
index 0870cde9d..62c8ca518 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -138,7 +138,7 @@ lib_compat_mode = strict
 lib_deps =
     fastled/FastLED @ 3.6.0
     IRremoteESP8266 @ 2.8.2
-    makuna/NeoPixelBus @ 2.8.0
+    makuna/NeoPixelBus @ 2.8.3
     #https://github.com/makuna/NeoPixelBus.git#CoreShaderBeta
     https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.2.1
   # for I2C interface
diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index b9a62bb2c..589fa67ee 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -1219,6 +1219,50 @@ void WS2812FX::finalizeInit() {
 
   _hasWhiteChannel = _isOffRefreshRequired = false;
 
+  #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
+  // determine if it is sensible to use parallel I2S outputs on ESP32 (i.e. more than 5 outputs = 1 I2S + 4 RMT)
+  unsigned digitalCount = 0;
+  unsigned maxLedsOnBus = 0;
+  //unsigned maxChannels = 0;
+  for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
+    if (busConfigs[i] == nullptr) break;
+    if (Bus::isDigital(busConfigs[i]->type) && !Bus::is2Pin(busConfigs[i]->type)) {
+      digitalCount++;
+      if (busConfigs[i]->count > maxLedsOnBus) maxLedsOnBus = busConfigs[i]->count;
+      //unsigned channels = Bus::getNumberOfChannels(busConfigs[i]->type);
+      //if (channels > maxChannels) maxChannels = channels;
+    }
+  }
+  DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\n"), maxLedsOnBus, digitalCount);
+  // we may remove 300 LEDs per bus limit when NeoPixelBus is updated beyond 2.9.0
+  if (maxLedsOnBus <= 300 && useParallelI2S) BusManager::useParallelOutput(); // must call before creating buses
+  else useParallelI2S = false; // enforce single I2S
+  #endif
+
+  // create buses/outputs
+  unsigned mem = 0;
+  for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
+    if (busConfigs[i] == nullptr) break;
+    #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
+      #if defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32S2)
+    // TODO: once I2S memory is larger than RMT it will ignore RMT
+    if (BusManager::hasParallelOutput() && i > 3) {  // will use RMT and then x8 I2S
+      unsigned memT = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
+      if (memT > mem) mem = memT; // if we have unequal LED count use the largest
+    } else
+      #else // classic ESP32
+    if (BusManager::hasParallelOutput() && i < 8) {                                 // 1-8 are RMT if using x1 I2S
+      unsigned memT = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
+      if (memT > mem) mem = memT; // if we have unequal LED count use the largest
+    } else
+      #endif
+    #endif
+      mem += BusManager::memUsage(*busConfigs[i]); // includes global buffer
+    if (mem <= MAX_LED_MEMORY) BusManager::add(*busConfigs[i]);
+    delete busConfigs[i];
+    busConfigs[i] = nullptr;
+  }
+
   //if busses failed to load, add default (fresh install, FS issue, ...)
   if (BusManager::getNumBusses() == 0) {
     DEBUG_PRINTLN(F("No busses, init default"));
@@ -1298,9 +1342,11 @@ void WS2812FX::finalizeInit() {
       if (Bus::isPWM(dataType) || Bus::isOnOff(dataType)) count = 1;
       prevLen += count;
       BusConfig defCfg = BusConfig(dataType, defPin, start, count, DEFAULT_LED_COLOR_ORDER, false, 0, RGBW_MODE_MANUAL_ONLY, 0, useGlobalLedBuffer);
+      mem += BusManager::memUsage(defCfg);
       if (BusManager::add(defCfg) == -1) break;
     }
   }
+  DEBUG_PRINTF_P(PSTR("LED buffer size: %uB/%uB\n"), mem, BusManager::getTotalBuffers());
 
   _length = 0;
   for (int i=0; i<BusManager::getNumBusses(); i++) {
@@ -1317,6 +1363,7 @@ void WS2812FX::finalizeInit() {
     // This must be done after all buses have been created, as some kinds (parallel I2S) interact
     bus->begin();
   }
+  DEBUG_PRINTF_P(PSTR("Heap after buses: %d\n"), ESP.getFreeHeap());
 
   Segment::maxWidth  = _length;
   Segment::maxHeight = 1;
diff --git a/wled00/bus_manager.cpp b/wled00/bus_manager.cpp
index 2c0ba41a9..44b841ac4 100644
--- a/wled00/bus_manager.cpp
+++ b/wled00/bus_manager.cpp
@@ -18,10 +18,11 @@
 #endif
 #include "const.h"
 #include "pin_manager.h"
-#include "bus_wrapper.h"
 #include "bus_manager.h"
+#include "bus_wrapper.h"
 
 extern bool cctICused;
+extern bool useParallelI2S;
 
 //colors.cpp
 uint32_t colorBalanceFromKelvin(uint16_t kelvin, uint32_t rgb);
@@ -121,7 +122,7 @@ uint8_t *Bus::allocateData(size_t size) {
 }
 
 
-BusDigital::BusDigital(BusConfig &bc, uint8_t nr, const ColorOrderMap &com)
+BusDigital::BusDigital(const BusConfig &bc, uint8_t nr, const ColorOrderMap &com)
 : Bus(bc.type, bc.start, bc.autoWhite, bc.count, bc.reversed, (bc.refreshReq || bc.type == TYPE_TM1814))
 , _skip(bc.skipAmount) //sacrificial pixels
 , _colorOrder(bc.colorOrder)
@@ -220,7 +221,7 @@ void BusDigital::show() {
   if (!_valid) return;
 
   uint8_t cctWW = 0, cctCW = 0;
-  unsigned newBri = estimateCurrentAndLimitBri();  // will fill _milliAmpsTotal
+  unsigned newBri = estimateCurrentAndLimitBri();  // will fill _milliAmpsTotal (TODO: could use PolyBus::CalcTotalMilliAmpere())
   if (newBri < _bri) PolyBus::setBrightness(_busPtr, _iType, newBri); // limit brightness to stay within current limits
 
   if (_data) {
@@ -246,6 +247,7 @@ void BusDigital::show() {
         // TODO: there is an issue if CCT is calculated from RGB value (_cct==-1), we cannot do that with double buffer
         Bus::_cct = _data[offset+channels-1];
         Bus::calculateCCT(c, cctWW, cctCW);
+        if (_type == TYPE_WS2812_WWA) c = RGBW32(cctWW, cctCW, 0, W(c)); // may need swapping
       }
       unsigned pix = i;
       if (_reversed) pix = _len - pix -1;
@@ -331,8 +333,8 @@ void IRAM_ATTR BusDigital::setPixelColor(unsigned pix, uint32_t c) {
       uint8_t cctWW = 0, cctCW = 0;
       Bus::calculateCCT(c, cctWW, cctCW);
       wwcw = (cctCW<<8) | cctWW;
+      if (_type == TYPE_WS2812_WWA) c = RGBW32(cctWW, cctCW, 0, W(c)); // may need swapping
     }
-
     PolyBus::setPixelColor(_busPtr, _iType, pix, c, co, wwcw);
   }
 }
@@ -364,16 +366,24 @@ uint32_t IRAM_ATTR BusDigital::getPixelColor(unsigned pix) const {
         case 2: c = RGBW32(b, b, b, b); break;
       }
     }
+    if (_type == TYPE_WS2812_WWA) {
+      uint8_t w = R(c) | G(c);
+      c = RGBW32(w, w, 0, w);
+    }
     return c;
   }
 }
 
-uint8_t BusDigital::getPins(uint8_t* pinArray) const {
+unsigned BusDigital::getPins(uint8_t* pinArray) const {
   unsigned numPins = is2Pin(_type) + 1;
   if (pinArray) for (unsigned i = 0; i < numPins; i++) pinArray[i] = _pins[i];
   return numPins;
 }
 
+unsigned BusDigital::getBufferSize() const {
+  return isOk() ? PolyBus::getDataSize(_busPtr, _iType) : 0;
+}
+
 void BusDigital::setColorOrder(uint8_t colorOrder) {
   // upper nibble contains W swap information
   if ((colorOrder & 0x0F) > 5) return;
@@ -397,7 +407,7 @@ std::vector<LEDType> BusDigital::getLEDTypes() {
     {TYPE_SM16825,       "D",  PSTR("SM16825 RGBCW")},
     {TYPE_WS2812_1CH_X3, "D",  PSTR("WS2811 White")},
     //{TYPE_WS2812_2CH_X3, "D",  PSTR("WS2811 CCT")}, // not implemented
-    //{TYPE_WS2812_WWA,    "D",  PSTR("WS2811 WWA")}, // not implemented
+    {TYPE_WS2812_WWA,    "D",  PSTR("WS2811 WWA")}, // amber ignored
     {TYPE_WS2801,        "2P", PSTR("WS2801")},
     {TYPE_APA102,        "2P", PSTR("APA102")},
     {TYPE_LPD8806,       "2P", PSTR("LPD8806")},
@@ -418,8 +428,9 @@ void BusDigital::cleanup() {
   _valid = false;
   _busPtr = nullptr;
   if (_data != nullptr) freeData();
-  PinManager::deallocatePin(_pins[1], PinOwner::BusDigital);
-  PinManager::deallocatePin(_pins[0], PinOwner::BusDigital);
+  PinManager::deallocateMultiplePins(_pins, 2, PinOwner::BusDigital);
+  //PinManager::deallocatePin(_pins[1], PinOwner::BusDigital);
+  //PinManager::deallocatePin(_pins[0], PinOwner::BusDigital);
 }
 
 
@@ -448,7 +459,7 @@ void BusDigital::cleanup() {
   #endif
 #endif
 
-BusPwm::BusPwm(BusConfig &bc)
+BusPwm::BusPwm(const BusConfig &bc)
 : Bus(bc.type, bc.start, bc.autoWhite, 1, bc.reversed, bc.refreshReq) // hijack Off refresh flag to indicate usage of dithering
 {
   if (!isPWM(bc.type)) return;
@@ -610,7 +621,7 @@ void BusPwm::show() {
   }
 }
 
-uint8_t BusPwm::getPins(uint8_t* pinArray) const {
+unsigned BusPwm::getPins(uint8_t* pinArray) const {
   if (!_valid) return 0;
   unsigned numPins = numPWMPins(_type);
   if (pinArray) for (unsigned i = 0; i < numPins; i++) pinArray[i] = _pins[i];
@@ -646,7 +657,7 @@ void BusPwm::deallocatePins() {
 }
 
 
-BusOnOff::BusOnOff(BusConfig &bc)
+BusOnOff::BusOnOff(const BusConfig &bc)
 : Bus(bc.type, bc.start, bc.autoWhite, 1, bc.reversed)
 , _onoffdata(0)
 {
@@ -686,7 +697,7 @@ void BusOnOff::show() {
   digitalWrite(_pin, _reversed ? !(bool)_data[0] : (bool)_data[0]);
 }
 
-uint8_t BusOnOff::getPins(uint8_t* pinArray) const {
+unsigned BusOnOff::getPins(uint8_t* pinArray) const {
   if (!_valid) return 0;
   if (pinArray) pinArray[0] = _pin;
   return 1;
@@ -699,7 +710,7 @@ std::vector<LEDType> BusOnOff::getLEDTypes() {
   };
 }
 
-BusNetwork::BusNetwork(BusConfig &bc)
+BusNetwork::BusNetwork(const BusConfig &bc)
 : Bus(bc.type, bc.start, bc.autoWhite, bc.count)
 , _broadcastLock(false)
 {
@@ -750,7 +761,7 @@ void BusNetwork::show() {
   _broadcastLock = false;
 }
 
-uint8_t BusNetwork::getPins(uint8_t* pinArray) const {
+unsigned BusNetwork::getPins(uint8_t* pinArray) const {
   if (pinArray) for (unsigned i = 0; i < 4; i++) pinArray[i] = _client[i];
   return 4;
 }
@@ -778,7 +789,7 @@ void BusNetwork::cleanup() {
 
 
 //utility to get the approx. memory usage of a given BusConfig
-uint32_t BusManager::memUsage(BusConfig &bc) {
+uint32_t BusManager::memUsage(const BusConfig &bc) {
   if (Bus::isOnOff(bc.type) || Bus::isPWM(bc.type)) return OUTPUT_MAX_PINS;
 
   unsigned len = bc.count + bc.skipAmount;
@@ -791,19 +802,23 @@ uint32_t BusManager::memUsage(BusConfig &bc) {
         multiplier = 5;
       }
     #else //ESP32 RMT uses double buffer, parallel I2S uses 8x buffer (3 times)
-      multiplier = PolyBus::isParallelI2S1Output() ? 24 : 2;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      multiplier = useParallelI2S ? 24 : 2;
+      #else
+      multiplier = 2;
+      #endif
     #endif
   }
   return (len * multiplier + bc.doubleBuffer * (bc.count + bc.skipAmount)) * channels;
 }
 
-uint32_t BusManager::memUsage(unsigned maxChannels, unsigned maxCount, unsigned minBuses) {
-  //ESP32 RMT uses double buffer, parallel I2S uses 8x buffer (3 times)
-  unsigned multiplier = PolyBus::isParallelI2S1Output() ? 3 : 2;
-  return (maxChannels * maxCount * minBuses * multiplier);
+unsigned BusManager::getTotalBuffers() {
+  unsigned size = 0;
+  for (unsigned i=0; i<numBusses; i++) size += busses[i]->getBufferSize();
+  return size;
 }
 
-int BusManager::add(BusConfig &bc) {
+int BusManager::add(const BusConfig &bc) {
   if (getNumBusses() - getNumVirtualBusses() >= WLED_MAX_BUSSES) return -1;
   if (Bus::isVirtual(bc.type)) {
     busses[numBusses] = new BusNetwork(bc);
@@ -843,10 +858,13 @@ String BusManager::getLEDTypesJSONString() {
 }
 
 void BusManager::useParallelOutput() {
-  _parallelOutputs = 8; // hardcoded since we use NPB I2S x8 methods
   PolyBus::setParallelI2S1Output();
 }
 
+bool BusManager::hasParallelOutput() {
+  return PolyBus::isParallelI2S1Output();
+}
+
 //do not call this method from system context (network callback)
 void BusManager::removeAll() {
   DEBUG_PRINTLN(F("Removing all."));
@@ -854,7 +872,6 @@ void BusManager::removeAll() {
   while (!canAllShow()) yield();
   for (unsigned i = 0; i < numBusses; i++) delete busses[i];
   numBusses = 0;
-  _parallelOutputs = 1;
   PolyBus::setParallelI2S1Output(false);
 }
 
@@ -876,9 +893,10 @@ void BusManager::esp32RMTInvertIdle() {
       if (u > 3) return;
       rmt = u;
     #else
-      if (u < _parallelOutputs) continue;
-      if (u >= _parallelOutputs + 8) return; // only 8 RMT channels
-      rmt = u - _parallelOutputs;
+      unsigned numI2S = 1 + PolyBus::isParallelI2S1Output()*7;
+      if (u < numI2S) continue;
+      if (u >= numI2S + 8) return; // only 8 RMT channels
+      rmt = u - numI2S;
     #endif
     if (busses[u]->getLength()==0 || !busses[u]->isDigital() || busses[u]->is2Pin()) continue;
     //assumes that bus number to rmt channel mapping stays 1:1
@@ -994,7 +1012,7 @@ uint16_t BusManager::getTotalLength() {
   return len;
 }
 
-bool PolyBus::useParallelI2S = false;
+bool PolyBus::_useParallelI2S = false;
 
 // Bus static member definition
 int16_t Bus::_cct = -1;
@@ -1008,4 +1026,3 @@ Bus*          BusManager::busses[WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES];
 ColorOrderMap BusManager::colorOrderMap = {};
 uint16_t      BusManager::_milliAmpsUsed = 0;
 uint16_t      BusManager::_milliAmpsMax = ABL_MILLIAMPS_DEFAULT;
-uint8_t       BusManager::_parallelOutputs = 1;
diff --git a/wled00/bus_manager.h b/wled00/bus_manager.h
index d90a66151..5f582971a 100644
--- a/wled00/bus_manager.h
+++ b/wled00/bus_manager.h
@@ -82,46 +82,47 @@ class Bus {
 
     virtual void     begin() {};
     virtual void     show() = 0;
-    virtual bool     canShow() const                          { return true; }
-    virtual void     setStatusPixel(uint32_t c)                {}
+    virtual bool     canShow() const                            { return true; }
+    virtual void     setStatusPixel(uint32_t c)                 {}
     virtual void     setPixelColor(unsigned pix, uint32_t c) = 0;
-    virtual void     setBrightness(uint8_t b)                  { _bri = b; };
-    virtual void     setColorOrder(uint8_t co)                 {}
-    virtual uint32_t getPixelColor(unsigned pix) const         { return 0; }
-    virtual uint8_t  getPins(uint8_t* pinArray = nullptr) const { return 0; }
-    virtual uint16_t getLength() const                         { return isOk() ? _len : 0; }
-    virtual uint8_t  getColorOrder() const                     { return COL_ORDER_RGB; }
-    virtual uint8_t  skippedLeds() const                       { return 0; }
-    virtual uint16_t getFrequency() const                      { return 0U; }
-    virtual uint16_t getLEDCurrent() const                     { return 0; }
-    virtual uint16_t getUsedCurrent() const                    { return 0; }
-    virtual uint16_t getMaxCurrent() const                     { return 0; }
+    virtual void     setBrightness(uint8_t b)                   { _bri = b; };
+    virtual void     setColorOrder(uint8_t co)                  {}
+    virtual uint32_t getPixelColor(unsigned pix) const          { return 0; }
+    virtual unsigned getPins(uint8_t* pinArray = nullptr) const { return 0; }
+    virtual uint16_t getLength() const                          { return isOk() ? _len : 0; }
+    virtual uint8_t  getColorOrder() const                      { return COL_ORDER_RGB; }
+    virtual unsigned skippedLeds() const                        { return 0; }
+    virtual uint16_t getFrequency() const                       { return 0U; }
+    virtual uint16_t getLEDCurrent() const                      { return 0; }
+    virtual uint16_t getUsedCurrent() const                     { return 0; }
+    virtual uint16_t getMaxCurrent() const                      { return 0; }
+    virtual unsigned getBufferSize() const                      { return 1; }
 
-    inline  bool     hasRGB() const                            { return _hasRgb; }
-    inline  bool     hasWhite() const                          { return _hasWhite; }
-    inline  bool     hasCCT() const                            { return _hasCCT; }
-    inline  bool     isDigital() const                         { return isDigital(_type); }
-    inline  bool     is2Pin() const                            { return is2Pin(_type); }
-    inline  bool     isOnOff() const                           { return isOnOff(_type); }
-    inline  bool     isPWM() const                             { return isPWM(_type); }
-    inline  bool     isVirtual() const                         { return isVirtual(_type); }
-    inline  bool     is16bit() const                           { return is16bit(_type); }
-    inline  bool     mustRefresh() const                       { return mustRefresh(_type); }
-    inline  void     setReversed(bool reversed)                { _reversed = reversed; }
-    inline  void     setStart(uint16_t start)                  { _start = start; }
-    inline  void     setAutoWhiteMode(uint8_t m)               { if (m < 5) _autoWhiteMode = m; }
-    inline  uint8_t  getAutoWhiteMode() const                  { return _autoWhiteMode; }
-    inline  uint32_t getNumberOfChannels() const               { return hasWhite() + 3*hasRGB() + hasCCT(); }
-    inline  uint16_t getStart() const                          { return _start; }
-    inline  uint8_t  getType() const                           { return _type; }
-    inline  bool     isOk() const                              { return _valid; }
-    inline  bool     isReversed() const                        { return _reversed; }
-    inline  bool     isOffRefreshRequired() const              { return _needsRefresh; }
-    inline  bool     containsPixel(uint16_t pix) const         { return pix >= _start && pix < _start + _len; }
+    inline  bool     hasRGB() const                             { return _hasRgb; }
+    inline  bool     hasWhite() const                           { return _hasWhite; }
+    inline  bool     hasCCT() const                             { return _hasCCT; }
+    inline  bool     isDigital() const                          { return isDigital(_type); }
+    inline  bool     is2Pin() const                             { return is2Pin(_type); }
+    inline  bool     isOnOff() const                            { return isOnOff(_type); }
+    inline  bool     isPWM() const                              { return isPWM(_type); }
+    inline  bool     isVirtual() const                          { return isVirtual(_type); }
+    inline  bool     is16bit() const                            { return is16bit(_type); }
+    inline  bool     mustRefresh() const                        { return mustRefresh(_type); }
+    inline  void     setReversed(bool reversed)                 { _reversed = reversed; }
+    inline  void     setStart(uint16_t start)                   { _start = start; }
+    inline  void     setAutoWhiteMode(uint8_t m)                { if (m < 5) _autoWhiteMode = m; }
+    inline  uint8_t  getAutoWhiteMode() const                   { return _autoWhiteMode; }
+    inline  unsigned getNumberOfChannels() const                { return hasWhite() + 3*hasRGB() + hasCCT(); }
+    inline  uint16_t getStart() const                           { return _start; }
+    inline  uint8_t  getType() const                            { return _type; }
+    inline  bool     isOk() const                               { return _valid; }
+    inline  bool     isReversed() const                         { return _reversed; }
+    inline  bool     isOffRefreshRequired() const               { return _needsRefresh; }
+    inline  bool     containsPixel(uint16_t pix) const          { return pix >= _start && pix < _start + _len; }
 
-    static inline std::vector<LEDType> getLEDTypes()           { return {{TYPE_NONE, "", PSTR("None")}}; } // not used. just for reference for derived classes
-    static constexpr uint32_t getNumberOfPins(uint8_t type)     { return isVirtual(type) ? 4 : isPWM(type) ? numPWMPins(type) : is2Pin(type) + 1; } // credit @PaoloTK
-    static constexpr uint32_t getNumberOfChannels(uint8_t type) { return hasWhite(type) + 3*hasRGB(type) + hasCCT(type); }
+    static inline std::vector<LEDType> getLEDTypes()            { return {{TYPE_NONE, "", PSTR("None")}}; } // not used. just for reference for derived classes
+    static constexpr uint8_t getNumberOfPins(uint8_t type)      { return isVirtual(type) ? 4 : isPWM(type) ? numPWMPins(type) : is2Pin(type) + 1; } // credit @PaoloTK
+    static constexpr uint8_t getNumberOfChannels(uint8_t type)  { return (type == TYPE_WS2812_WWA) ? 3 : hasWhite(type) + 3*hasRGB(type) + hasCCT(type); }
     static constexpr bool hasRGB(uint8_t type) {
       return !((type >= TYPE_WS2812_1CH && type <= TYPE_WS2812_WWA) || type == TYPE_ANALOG_1CH || type == TYPE_ANALOG_2CH || type == TYPE_ONOFF);
     }
@@ -198,7 +199,7 @@ class Bus {
 
 class BusDigital : public Bus {
   public:
-    BusDigital(BusConfig &bc, uint8_t nr, const ColorOrderMap &com);
+    BusDigital(const BusConfig &bc, uint8_t nr, const ColorOrderMap &com);
     ~BusDigital() { cleanup(); }
 
     void show() override;
@@ -209,12 +210,13 @@ class BusDigital : public Bus {
     void setColorOrder(uint8_t colorOrder) override;
     [[gnu::hot]] uint32_t getPixelColor(unsigned pix) const override;
     uint8_t  getColorOrder() const override  { return _colorOrder; }
-    uint8_t  getPins(uint8_t* pinArray = nullptr) const override;
-    uint8_t  skippedLeds() const override    { return _skip; }
+    unsigned  getPins(uint8_t* pinArray = nullptr) const override;
+    unsigned  skippedLeds() const override    { return _skip; }
     uint16_t getFrequency() const override   { return _frequencykHz; }
     uint16_t getLEDCurrent() const override  { return _milliAmpsPerLed; }
     uint16_t getUsedCurrent() const override { return _milliAmpsTotal; }
     uint16_t getMaxCurrent() const override  { return _milliAmpsMax; }
+    unsigned getBufferSize() const override;
     void begin() override;
     void cleanup();
 
@@ -250,13 +252,14 @@ class BusDigital : public Bus {
 
 class BusPwm : public Bus {
   public:
-    BusPwm(BusConfig &bc);
+    BusPwm(const BusConfig &bc);
     ~BusPwm() { cleanup(); }
 
     void setPixelColor(unsigned pix, uint32_t c) override;
     uint32_t getPixelColor(unsigned pix) const override; //does no index check
-    uint8_t  getPins(uint8_t* pinArray = nullptr) const override;
+    unsigned getPins(uint8_t* pinArray = nullptr) const override;
     uint16_t getFrequency() const override { return _frequency; }
+    unsigned getBufferSize() const override  { return OUTPUT_MAX_PINS; }
     void show() override;
     void cleanup() { deallocatePins(); }
 
@@ -277,12 +280,12 @@ class BusPwm : public Bus {
 
 class BusOnOff : public Bus {
   public:
-    BusOnOff(BusConfig &bc);
+    BusOnOff(const BusConfig &bc);
     ~BusOnOff() { cleanup(); }
 
     void setPixelColor(unsigned pix, uint32_t c) override;
     uint32_t getPixelColor(unsigned pix) const override;
-    uint8_t  getPins(uint8_t* pinArray) const override;
+    unsigned getPins(uint8_t* pinArray) const override;
     void show() override;
     void cleanup() { PinManager::deallocatePin(_pin, PinOwner::BusOnOff); }
 
@@ -296,13 +299,14 @@ class BusOnOff : public Bus {
 
 class BusNetwork : public Bus {
   public:
-    BusNetwork(BusConfig &bc);
+    BusNetwork(const BusConfig &bc);
     ~BusNetwork() { cleanup(); }
 
     bool canShow() const override  { return !_broadcastLock; } // this should be a return value from UDP routine if it is still sending data out
     void setPixelColor(unsigned pix, uint32_t c) override;
     uint32_t getPixelColor(unsigned pix) const override;
-    uint8_t  getPins(uint8_t* pinArray = nullptr) const override;
+    unsigned getPins(uint8_t* pinArray = nullptr) const override;
+    unsigned getBufferSize() const override  { return isOk() ? _len * _UDPchannels : 0; }
     void show() override;
     void cleanup();
 
@@ -379,13 +383,14 @@ class BusManager {
     BusManager() {};
 
     //utility to get the approx. memory usage of a given BusConfig
-    static uint32_t memUsage(BusConfig &bc);
-    static uint32_t memUsage(unsigned channels, unsigned count, unsigned buses = 1);
+    static uint32_t memUsage(const BusConfig &bc);
+    static unsigned getTotalBuffers();
     static uint16_t currentMilliamps() { return _milliAmpsUsed + MA_FOR_ESP; }
     static uint16_t ablMilliampsMax()  { return _milliAmpsMax; }
 
-    static int add(BusConfig &bc);
+    static int add(const BusConfig &bc);
     static void useParallelOutput(); // workaround for inaccessible PolyBus
+    static bool hasParallelOutput(); // workaround for inaccessible PolyBus
 
     //do not call this method from system context (network callback)
     static void removeAll();
@@ -420,7 +425,6 @@ class BusManager {
     static ColorOrderMap colorOrderMap;
     static uint16_t _milliAmpsUsed;
     static uint16_t _milliAmpsMax;
-    static uint8_t _parallelOutputs;
 
     #ifdef ESP32_DATA_IDLE_HIGH
     static void    esp32RMTInvertIdle() ;
diff --git a/wled00/bus_wrapper.h b/wled00/bus_wrapper.h
index d2a18c9d8..943a0b818 100644
--- a/wled00/bus_wrapper.h
+++ b/wled00/bus_wrapper.h
@@ -1,23 +1,8 @@
 #ifndef BusWrapper_h
 #define BusWrapper_h
 
+//#define NPB_CONF_4STEP_CADENCE
 #include "NeoPixelBusLg.h"
-#include "bus_manager.h"
-
-// temporary - these defines should actually be set in platformio.ini
-// C3: I2S0 and I2S1 methods not supported (has one I2S bus)
-// S2: I2S1 methods not supported (has one I2S bus)
-// S3: I2S0 and I2S1 methods not supported yet (has two I2S buses)
-// https://github.com/Makuna/NeoPixelBus/blob/b32f719e95ef3c35c46da5c99538017ef925c026/src/internal/Esp32_i2s.h#L4
-// https://github.com/Makuna/NeoPixelBus/blob/b32f719e95ef3c35c46da5c99538017ef925c026/src/internal/NeoEsp32RmtMethod.h#L857
-
-#if !defined(WLED_NO_I2S0_PIXELBUS) && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3))
-#define WLED_NO_I2S0_PIXELBUS
-#endif
-#if !defined(WLED_NO_I2S1_PIXELBUS) && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2))
-#define WLED_NO_I2S1_PIXELBUS
-#endif
-// temporary end
 
 //Hardware SPI Pins
 #define P_8266_HS_MOSI 13
@@ -55,110 +40,98 @@
 #define I_8266_DM_TM2_3 19
 #define I_8266_BB_TM2_3 20
 //UCS8903 (RGB)
-#define I_8266_U0_UCS_3 49
-#define I_8266_U1_UCS_3 50
-#define I_8266_DM_UCS_3 51
-#define I_8266_BB_UCS_3 52
+#define I_8266_U0_UCS_3 21
+#define I_8266_U1_UCS_3 22
+#define I_8266_DM_UCS_3 23
+#define I_8266_BB_UCS_3 24
 //UCS8904 (RGBW)
-#define I_8266_U0_UCS_4 53
-#define I_8266_U1_UCS_4 54
-#define I_8266_DM_UCS_4 55
-#define I_8266_BB_UCS_4 56
+#define I_8266_U0_UCS_4 25
+#define I_8266_U1_UCS_4 26
+#define I_8266_DM_UCS_4 27
+#define I_8266_BB_UCS_4 28
 //FW1906 GRBCW
-#define I_8266_U0_FW6_5 66
-#define I_8266_U1_FW6_5 67
-#define I_8266_DM_FW6_5 68
-#define I_8266_BB_FW6_5 69
+#define I_8266_U0_FW6_5 29
+#define I_8266_U1_FW6_5 30
+#define I_8266_DM_FW6_5 31
+#define I_8266_BB_FW6_5 32
 //ESP8266 APA106
-#define I_8266_U0_APA106_3 81
-#define I_8266_U1_APA106_3 82
-#define I_8266_DM_APA106_3 83
-#define I_8266_BB_APA106_3 84
+#define I_8266_U0_APA106_3 33
+#define I_8266_U1_APA106_3 34
+#define I_8266_DM_APA106_3 35
+#define I_8266_BB_APA106_3 36
 //WS2805 (RGBCW)
-#define I_8266_U0_2805_5 89
-#define I_8266_U1_2805_5 90
-#define I_8266_DM_2805_5 91
-#define I_8266_BB_2805_5 92
+#define I_8266_U0_2805_5 37
+#define I_8266_U1_2805_5 38
+#define I_8266_DM_2805_5 39
+#define I_8266_BB_2805_5 40
 //TM1914 (RGB)
-#define I_8266_U0_TM1914_3 99
-#define I_8266_U1_TM1914_3 100
-#define I_8266_DM_TM1914_3 101
-#define I_8266_BB_TM1914_3 102
+#define I_8266_U0_TM1914_3 41
+#define I_8266_U1_TM1914_3 42
+#define I_8266_DM_TM1914_3 43
+#define I_8266_BB_TM1914_3 44
 //SM16825 (RGBCW)
-#define I_8266_U0_SM16825_5 103
-#define I_8266_U1_SM16825_5 104
-#define I_8266_DM_SM16825_5 105
-#define I_8266_BB_SM16825_5 106
+#define I_8266_U0_SM16825_5 45
+#define I_8266_U1_SM16825_5 46
+#define I_8266_DM_SM16825_5 47
+#define I_8266_BB_SM16825_5 48
 
 /*** ESP32 Neopixel methods ***/
 //RGB
-#define I_32_RN_NEO_3 21
-#define I_32_I0_NEO_3 22
-#define I_32_I1_NEO_3 23
+#define I_32_RN_NEO_3 1
+#define I_32_I2_NEO_3 2
 //RGBW
-#define I_32_RN_NEO_4 25
-#define I_32_I0_NEO_4 26
-#define I_32_I1_NEO_4 27
+#define I_32_RN_NEO_4 5
+#define I_32_I2_NEO_4 6
 //400Kbps
-#define I_32_RN_400_3 29
-#define I_32_I0_400_3 30
-#define I_32_I1_400_3 31
+#define I_32_RN_400_3 9
+#define I_32_I2_400_3 10
 //TM1814 (RGBW)
-#define I_32_RN_TM1_4 33
-#define I_32_I0_TM1_4 34
-#define I_32_I1_TM1_4 35
+#define I_32_RN_TM1_4 13
+#define I_32_I2_TM1_4 14
 //TM1829 (RGB)
-#define I_32_RN_TM2_3 36
-#define I_32_I0_TM2_3 37
-#define I_32_I1_TM2_3 38
+#define I_32_RN_TM2_3 17
+#define I_32_I2_TM2_3 18
 //UCS8903 (RGB)
-#define I_32_RN_UCS_3 57
-#define I_32_I0_UCS_3 58
-#define I_32_I1_UCS_3 59
+#define I_32_RN_UCS_3 21
+#define I_32_I2_UCS_3 22
 //UCS8904 (RGBW)
-#define I_32_RN_UCS_4 60
-#define I_32_I0_UCS_4 61
-#define I_32_I1_UCS_4 62
+#define I_32_RN_UCS_4 25
+#define I_32_I2_UCS_4 26
 //FW1906 GRBCW
-#define I_32_RN_FW6_5 63
-#define I_32_I0_FW6_5 64
-#define I_32_I1_FW6_5 65
+#define I_32_RN_FW6_5 29
+#define I_32_I2_FW6_5 30
 //APA106
-#define I_32_RN_APA106_3 85
-#define I_32_I0_APA106_3 86
-#define I_32_I1_APA106_3 87
+#define I_32_RN_APA106_3 33
+#define I_32_I2_APA106_3 34
 //WS2805 (RGBCW)
-#define I_32_RN_2805_5 93
-#define I_32_I0_2805_5 94
-#define I_32_I1_2805_5 95
+#define I_32_RN_2805_5 37
+#define I_32_I2_2805_5 38
 //TM1914 (RGB)
-#define I_32_RN_TM1914_3 96
-#define I_32_I0_TM1914_3 97
-#define I_32_I1_TM1914_3 98
+#define I_32_RN_TM1914_3 41
+#define I_32_I2_TM1914_3 42
 //SM16825 (RGBCW)
-#define I_32_RN_SM16825_5 107
-#define I_32_I0_SM16825_5 108
-#define I_32_I1_SM16825_5 109
+#define I_32_RN_SM16825_5 45
+#define I_32_I2_SM16825_5 46
 
 //APA102
-#define I_HS_DOT_3 39 //hardware SPI
-#define I_SS_DOT_3 40 //soft SPI
+#define I_HS_DOT_3 101 //hardware SPI
+#define I_SS_DOT_3 102 //soft SPI
 
 //LPD8806
-#define I_HS_LPD_3 41
-#define I_SS_LPD_3 42
+#define I_HS_LPD_3 103
+#define I_SS_LPD_3 104
 
 //WS2801
-#define I_HS_WS1_3 43
-#define I_SS_WS1_3 44
+#define I_HS_WS1_3 105
+#define I_SS_WS1_3 106
 
 //P9813
-#define I_HS_P98_3 45
-#define I_SS_P98_3 46
+#define I_HS_P98_3 107
+#define I_SS_P98_3 108
 
 //LPD6803
-#define I_HS_LPO_3 47
-#define I_SS_LPO_3 48
+#define I_HS_LPO_3 109
+#define I_SS_LPO_3 110
 
 
 // In the following NeoGammaNullMethod can be replaced with NeoGammaWLEDMethod to perform Gamma correction implicitly
@@ -230,66 +203,95 @@
 
 /*** ESP32 Neopixel methods ***/
 #ifdef ARDUINO_ARCH_ESP32
+// C3: I2S0 and I2S1 methods not supported (has one I2S bus)
+// S2: I2S0 methods supported (single & parallel), I2S1 methods not supported (has one I2S bus)
+// S3: I2S0 methods not supported, I2S1 supports LCD parallel methods (has two I2S buses)
+// https://github.com/Makuna/NeoPixelBus/blob/b32f719e95ef3c35c46da5c99538017ef925c026/src/internal/Esp32_i2s.h#L4
+// https://github.com/Makuna/NeoPixelBus/blob/b32f719e95ef3c35c46da5c99538017ef925c026/src/internal/NeoEsp32RmtMethod.h#L857
+#if defined(CONFIG_IDF_TARGET_ESP32S3)
+  // S3 will always use LCD parallel output
+  typedef X8Ws2812xMethod X1Ws2812xMethod;
+  typedef X8Sk6812Method X1Sk6812Method;
+  typedef X8400KbpsMethod X1400KbpsMethod;
+  typedef X8800KbpsMethod X1800KbpsMethod;
+  typedef X8Tm1814Method X1Tm1814Method;
+  typedef X8Tm1829Method X1Tm1829Method;
+  typedef X8Apa106Method X1Apa106Method;
+  typedef X8Ws2805Method X1Ws2805Method;
+  typedef X8Tm1914Method X1Tm1914Method;
+#elif defined(CONFIG_IDF_TARGET_ESP32S2)
+  // S2 will use I2S0
+  typedef NeoEsp32I2s0Ws2812xMethod X1Ws2812xMethod;
+  typedef NeoEsp32I2s0Sk6812Method X1Sk6812Method;
+  typedef NeoEsp32I2s0400KbpsMethod X1400KbpsMethod;
+  typedef NeoEsp32I2s0800KbpsMethod X1800KbpsMethod;
+  typedef NeoEsp32I2s0Tm1814Method X1Tm1814Method;
+  typedef NeoEsp32I2s0Tm1829Method X1Tm1829Method;
+  typedef NeoEsp32I2s0Apa106Method X1Apa106Method;
+  typedef NeoEsp32I2s0Ws2805Method X1Ws2805Method;
+  typedef NeoEsp32I2s0Tm1914Method X1Tm1914Method;
+#elif !defined(CONFIG_IDF_TARGET_ESP32C3)
+  // regular ESP32 will use I2S1
+  typedef NeoEsp32I2s1Ws2812xMethod X1Ws2812xMethod;
+  typedef NeoEsp32I2s1Sk6812Method X1Sk6812Method;
+  typedef NeoEsp32I2s1400KbpsMethod X1400KbpsMethod;
+  typedef NeoEsp32I2s1800KbpsMethod X1800KbpsMethod;
+  typedef NeoEsp32I2s1Tm1814Method X1Tm1814Method;
+  typedef NeoEsp32I2s1Tm1829Method X1Tm1829Method;
+  typedef NeoEsp32I2s1Apa106Method X1Apa106Method;
+  typedef NeoEsp32I2s1Ws2805Method X1Ws2805Method;
+  typedef NeoEsp32I2s1Tm1914Method X1Tm1914Method;
+#endif
+
 //RGB
-#define B_32_RN_NEO_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod>
-#define B_32_I0_NEO_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s0Ws2812xMethod, NeoGammaNullMethod>
-#define B_32_I1_NEO_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1Ws2812xMethod, NeoGammaNullMethod>
-#define B_32_I1_NEO_3P NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1X8Ws2812xMethod, NeoGammaNullMethod> // parallel I2S
+#define B_32_RN_NEO_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod> // ESP32, S2, S3, C3
+//#define B_32_IN_NEO_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2sNWs2812xMethod, NeoGammaNullMethod> // ESP32 (dynamic I2S selection)
+#define B_32_I2_NEO_3 NeoPixelBusLg<NeoGrbFeature, X1Ws2812xMethod, NeoGammaNullMethod> // ESP32, S2, S3 (automatic I2S selection, see typedef above)
+#define B_32_IP_NEO_3 NeoPixelBusLg<NeoGrbFeature, X8Ws2812xMethod, NeoGammaNullMethod> // parallel I2S (ESP32, S2, S3)
 //RGBW
 #define B_32_RN_NEO_4 NeoPixelBusLg<NeoGrbwFeature, NeoEsp32RmtNSk6812Method, NeoGammaNullMethod>
-#define B_32_I0_NEO_4 NeoPixelBusLg<NeoGrbwFeature, NeoEsp32I2s0Sk6812Method, NeoGammaNullMethod>
-#define B_32_I1_NEO_4 NeoPixelBusLg<NeoGrbwFeature, NeoEsp32I2s1Sk6812Method, NeoGammaNullMethod>
-#define B_32_I1_NEO_4P NeoPixelBusLg<NeoGrbwFeature, NeoEsp32I2s1X8Sk6812Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_NEO_4 NeoPixelBusLg<NeoGrbwFeature, X1Sk6812Method, NeoGammaNullMethod>
+#define B_32_IP_NEO_4 NeoPixelBusLg<NeoGrbwFeature, X8Sk6812Method, NeoGammaNullMethod> // parallel I2S
 //400Kbps
 #define B_32_RN_400_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32RmtN400KbpsMethod, NeoGammaNullMethod>
-#define B_32_I0_400_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s0400KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_400_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1400KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_400_3P NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1X8400KbpsMethod, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_400_3 NeoPixelBusLg<NeoGrbFeature, X1400KbpsMethod, NeoGammaNullMethod>
+#define B_32_IP_400_3 NeoPixelBusLg<NeoGrbFeature, X8400KbpsMethod, NeoGammaNullMethod> // parallel I2S
 //TM1814 (RGBW)
 #define B_32_RN_TM1_4 NeoPixelBusLg<NeoWrgbTm1814Feature, NeoEsp32RmtNTm1814Method, NeoGammaNullMethod>
-#define B_32_I0_TM1_4 NeoPixelBusLg<NeoWrgbTm1814Feature, NeoEsp32I2s0Tm1814Method, NeoGammaNullMethod>
-#define B_32_I1_TM1_4 NeoPixelBusLg<NeoWrgbTm1814Feature, NeoEsp32I2s1Tm1814Method, NeoGammaNullMethod>
-#define B_32_I1_TM1_4P NeoPixelBusLg<NeoWrgbTm1814Feature, NeoEsp32I2s1X8Tm1814Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_TM1_4 NeoPixelBusLg<NeoWrgbTm1814Feature, X1Tm1814Method, NeoGammaNullMethod>
+#define B_32_IP_TM1_4 NeoPixelBusLg<NeoWrgbTm1814Feature, X8Tm1814Method, NeoGammaNullMethod> // parallel I2S
 //TM1829 (RGB)
 #define B_32_RN_TM2_3 NeoPixelBusLg<NeoBrgFeature, NeoEsp32RmtNTm1829Method, NeoGammaNullMethod>
-#define B_32_I0_TM2_3 NeoPixelBusLg<NeoBrgFeature, NeoEsp32I2s0Tm1829Method, NeoGammaNullMethod>
-#define B_32_I1_TM2_3 NeoPixelBusLg<NeoBrgFeature, NeoEsp32I2s1Tm1829Method, NeoGammaNullMethod>
-#define B_32_I1_TM2_3P NeoPixelBusLg<NeoBrgFeature, NeoEsp32I2s1X8Tm1829Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_TM2_3 NeoPixelBusLg<NeoBrgFeature, X1Tm1829Method, NeoGammaNullMethod>
+#define B_32_IP_TM2_3 NeoPixelBusLg<NeoBrgFeature, X8Tm1829Method, NeoGammaNullMethod> // parallel I2S
 //UCS8903
 #define B_32_RN_UCS_3 NeoPixelBusLg<NeoRgbUcs8903Feature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod>
-#define B_32_I0_UCS_3 NeoPixelBusLg<NeoRgbUcs8903Feature, NeoEsp32I2s0800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_UCS_3 NeoPixelBusLg<NeoRgbUcs8903Feature, NeoEsp32I2s1800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_UCS_3P NeoPixelBusLg<NeoRgbUcs8903Feature, NeoEsp32I2s1X8800KbpsMethod, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_UCS_3 NeoPixelBusLg<NeoRgbUcs8903Feature, X1800KbpsMethod, NeoGammaNullMethod>
+#define B_32_IP_UCS_3 NeoPixelBusLg<NeoRgbUcs8903Feature, X8800KbpsMethod, NeoGammaNullMethod> // parallel I2S
 //UCS8904
 #define B_32_RN_UCS_4 NeoPixelBusLg<NeoRgbwUcs8904Feature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod>
-#define B_32_I0_UCS_4 NeoPixelBusLg<NeoRgbwUcs8904Feature, NeoEsp32I2s0800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_UCS_4 NeoPixelBusLg<NeoRgbwUcs8904Feature, NeoEsp32I2s1800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_UCS_4P NeoPixelBusLg<NeoRgbwUcs8904Feature, NeoEsp32I2s1X8800KbpsMethod, NeoGammaNullMethod>// parallel I2S
+#define B_32_I2_UCS_4 NeoPixelBusLg<NeoRgbwUcs8904Feature, X1800KbpsMethod, NeoGammaNullMethod>
+#define B_32_IP_UCS_4 NeoPixelBusLg<NeoRgbwUcs8904Feature, X8800KbpsMethod, NeoGammaNullMethod>// parallel I2S
 //APA106
 #define B_32_RN_APA106_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32RmtNApa106Method, NeoGammaNullMethod>
-#define B_32_I0_APA106_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s0Apa106Method, NeoGammaNullMethod>
-#define B_32_I1_APA106_3 NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1Apa106Method, NeoGammaNullMethod>
-#define B_32_I1_APA106_3P NeoPixelBusLg<NeoGrbFeature, NeoEsp32I2s1X8Apa106Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_APA106_3 NeoPixelBusLg<NeoGrbFeature, X1Apa106Method, NeoGammaNullMethod>
+#define B_32_IP_APA106_3 NeoPixelBusLg<NeoGrbFeature, X8Apa106Method, NeoGammaNullMethod> // parallel I2S
 //FW1906 GRBCW
 #define B_32_RN_FW6_5 NeoPixelBusLg<NeoGrbcwxFeature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod>
-#define B_32_I0_FW6_5 NeoPixelBusLg<NeoGrbcwxFeature, NeoEsp32I2s0800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_FW6_5 NeoPixelBusLg<NeoGrbcwxFeature, NeoEsp32I2s1800KbpsMethod, NeoGammaNullMethod>
-#define B_32_I1_FW6_5P NeoPixelBusLg<NeoGrbcwxFeature, NeoEsp32I2s1X8800KbpsMethod, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_FW6_5 NeoPixelBusLg<NeoGrbcwxFeature, X1800KbpsMethod, NeoGammaNullMethod>
+#define B_32_IP_FW6_5 NeoPixelBusLg<NeoGrbcwxFeature, X8800KbpsMethod, NeoGammaNullMethod> // parallel I2S
 //WS2805 RGBWC
 #define B_32_RN_2805_5 NeoPixelBusLg<NeoGrbwwFeature, NeoEsp32RmtNWs2805Method, NeoGammaNullMethod>
-#define B_32_I0_2805_5 NeoPixelBusLg<NeoGrbwwFeature, NeoEsp32I2s0Ws2805Method, NeoGammaNullMethod>
-#define B_32_I1_2805_5 NeoPixelBusLg<NeoGrbwwFeature, NeoEsp32I2s1Ws2805Method, NeoGammaNullMethod>
-#define B_32_I1_2805_5P NeoPixelBusLg<NeoGrbwwFeature, NeoEsp32I2s1X8Ws2805Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_2805_5 NeoPixelBusLg<NeoGrbwwFeature, X1Ws2805Method, NeoGammaNullMethod>
+#define B_32_IP_2805_5 NeoPixelBusLg<NeoGrbwwFeature, X8Ws2805Method, NeoGammaNullMethod> // parallel I2S
 //TM1914 (RGB)
 #define B_32_RN_TM1914_3 NeoPixelBusLg<NeoGrbTm1914Feature, NeoEsp32RmtNTm1914Method, NeoGammaNullMethod>
-#define B_32_I0_TM1914_3 NeoPixelBusLg<NeoGrbTm1914Feature, NeoEsp32I2s0Tm1914Method, NeoGammaNullMethod>
-#define B_32_I1_TM1914_3 NeoPixelBusLg<NeoGrbTm1914Feature, NeoEsp32I2s1Tm1914Method, NeoGammaNullMethod>
-#define B_32_I1_TM1914_3P NeoPixelBusLg<NeoGrbTm1914Feature, NeoEsp32I2s1X8Tm1914Method, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_TM1914_3 NeoPixelBusLg<NeoGrbTm1914Feature, X1Tm1914Method, NeoGammaNullMethod>
+#define B_32_IP_TM1914_3 NeoPixelBusLg<NeoGrbTm1914Feature, X8Tm1914Method, NeoGammaNullMethod> // parallel I2S
 //Sm16825 (RGBWC)
 #define B_32_RN_SM16825_5 NeoPixelBusLg<NeoRgbcwSm16825eFeature, NeoEsp32RmtNWs2812xMethod, NeoGammaNullMethod>
-#define B_32_I0_SM16825_5 NeoPixelBusLg<NeoRgbcwSm16825eFeature, NeoEsp32I2s0Ws2812xMethod, NeoGammaNullMethod>
-#define B_32_I1_SM16825_5 NeoPixelBusLg<NeoRgbcwSm16825eFeature, NeoEsp32I2s1Ws2812xMethod, NeoGammaNullMethod>
-#define B_32_I1_SM16825_5P NeoPixelBusLg<NeoRgbcwSm16825eFeature, NeoEsp32I2s1X8Ws2812xMethod, NeoGammaNullMethod> // parallel I2S
+#define B_32_I2_SM16825_5 NeoPixelBusLg<NeoRgbcwSm16825eFeature, X1Ws2812xMethod, NeoGammaNullMethod>
+#define B_32_IP_SM16825_5 NeoPixelBusLg<NeoRgbcwSm16825eFeature, X8Ws2812xMethod, NeoGammaNullMethod> // parallel I2S
 #endif
 
 //APA102
@@ -328,11 +330,11 @@
 //handles pointer type conversion for all possible bus types
 class PolyBus {
   private:
-    static bool useParallelI2S;
+    static bool _useParallelI2S;
 
   public:
-    static inline void setParallelI2S1Output(bool b = true) { useParallelI2S = b; }
-    static inline bool isParallelI2S1Output(void) { return useParallelI2S; }
+    static inline void setParallelI2S1Output(bool b = true) { _useParallelI2S = b; }
+    static inline bool isParallelI2S1Output(void) { return _useParallelI2S; }
 
   // initialize SPI bus speed for DotStar methods
   template <class T>
@@ -436,34 +438,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: beginTM1914<B_32_RN_TM1914_3*>(busPtr); break;
       case I_32_RN_SM16825_5: (static_cast<B_32_RN_SM16825_5*>(busPtr))->Begin(); break;
       // I2S1 bus or parellel buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) (static_cast<B_32_I1_NEO_3P*>(busPtr))->Begin(); else (static_cast<B_32_I1_NEO_3*>(busPtr))->Begin(); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) (static_cast<B_32_I1_NEO_4P*>(busPtr))->Begin(); else (static_cast<B_32_I1_NEO_4*>(busPtr))->Begin(); break;
-      case I_32_I1_400_3: if (useParallelI2S) (static_cast<B_32_I1_400_3P*>(busPtr))->Begin(); else (static_cast<B_32_I1_400_3*>(busPtr))->Begin(); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) beginTM1814<B_32_I1_TM1_4P*>(busPtr); else beginTM1814<B_32_I1_TM1_4*>(busPtr); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) (static_cast<B_32_I1_TM2_3P*>(busPtr))->Begin(); else (static_cast<B_32_I1_TM2_3*>(busPtr))->Begin(); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) (static_cast<B_32_I1_UCS_3P*>(busPtr))->Begin(); else (static_cast<B_32_I1_UCS_3*>(busPtr))->Begin(); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) (static_cast<B_32_I1_UCS_4P*>(busPtr))->Begin(); else (static_cast<B_32_I1_UCS_4*>(busPtr))->Begin(); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) (static_cast<B_32_I1_FW6_5P*>(busPtr))->Begin(); else (static_cast<B_32_I1_FW6_5*>(busPtr))->Begin(); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) (static_cast<B_32_I1_APA106_3P*>(busPtr))->Begin(); else (static_cast<B_32_I1_APA106_3*>(busPtr))->Begin(); break;
-      case I_32_I1_2805_5: if (useParallelI2S) (static_cast<B_32_I1_2805_5P*>(busPtr))->Begin(); else (static_cast<B_32_I1_2805_5*>(busPtr))->Begin(); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) beginTM1914<B_32_I1_TM1914_3P*>(busPtr); else beginTM1914<B_32_I1_TM1914_3*>(busPtr); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) (static_cast<B_32_I1_SM16825_5P*>(busPtr))->Begin(); else (static_cast<B_32_I1_SM16825_5*>(busPtr))->Begin(); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: (static_cast<B_32_I0_NEO_3*>(busPtr))->Begin(); break;
-      case I_32_I0_NEO_4: (static_cast<B_32_I0_NEO_4*>(busPtr))->Begin(); break;
-      case I_32_I0_400_3: (static_cast<B_32_I0_400_3*>(busPtr))->Begin(); break;
-      case I_32_I0_TM1_4: beginTM1814<B_32_I0_TM1_4*>(busPtr); break;
-      case I_32_I0_TM2_3: (static_cast<B_32_I0_TM2_3*>(busPtr))->Begin(); break;
-      case I_32_I0_UCS_3: (static_cast<B_32_I0_UCS_3*>(busPtr))->Begin(); break;
-      case I_32_I0_UCS_4: (static_cast<B_32_I0_UCS_4*>(busPtr))->Begin(); break;
-      case I_32_I0_FW6_5: (static_cast<B_32_I0_FW6_5*>(busPtr))->Begin(); break;
-      case I_32_I0_APA106_3: (static_cast<B_32_I0_APA106_3*>(busPtr))->Begin(); break;
-      case I_32_I0_2805_5: (static_cast<B_32_I0_2805_5*>(busPtr))->Begin(); break;
-      case I_32_I0_TM1914_3: beginTM1914<B_32_I0_TM1914_3*>(busPtr); break;
-      case I_32_I0_SM16825_5: (static_cast<B_32_I0_SM16825_5*>(busPtr))->Begin(); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) (static_cast<B_32_IP_NEO_3*>(busPtr))->Begin(); else (static_cast<B_32_I2_NEO_3*>(busPtr))->Begin(); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) (static_cast<B_32_IP_NEO_4*>(busPtr))->Begin(); else (static_cast<B_32_I2_NEO_4*>(busPtr))->Begin(); break;
+      case I_32_I2_400_3: if (_useParallelI2S) (static_cast<B_32_IP_400_3*>(busPtr))->Begin(); else (static_cast<B_32_I2_400_3*>(busPtr))->Begin(); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) beginTM1814<B_32_IP_TM1_4*>(busPtr); else beginTM1814<B_32_I2_TM1_4*>(busPtr); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) (static_cast<B_32_IP_TM2_3*>(busPtr))->Begin(); else (static_cast<B_32_I2_TM2_3*>(busPtr))->Begin(); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) (static_cast<B_32_IP_UCS_3*>(busPtr))->Begin(); else (static_cast<B_32_I2_UCS_3*>(busPtr))->Begin(); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) (static_cast<B_32_IP_UCS_4*>(busPtr))->Begin(); else (static_cast<B_32_I2_UCS_4*>(busPtr))->Begin(); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) (static_cast<B_32_IP_FW6_5*>(busPtr))->Begin(); else (static_cast<B_32_I2_FW6_5*>(busPtr))->Begin(); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) (static_cast<B_32_IP_APA106_3*>(busPtr))->Begin(); else (static_cast<B_32_I2_APA106_3*>(busPtr))->Begin(); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) (static_cast<B_32_IP_2805_5*>(busPtr))->Begin(); else (static_cast<B_32_I2_2805_5*>(busPtr))->Begin(); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) beginTM1914<B_32_IP_TM1914_3*>(busPtr); else beginTM1914<B_32_I2_TM1914_3*>(busPtr); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) (static_cast<B_32_IP_SM16825_5*>(busPtr))->Begin(); else (static_cast<B_32_I2_SM16825_5*>(busPtr))->Begin(); break;
       #endif
       // ESP32 can (and should, to avoid inadvertantly driving the chip select signal) specify the pins used for SPI, but only in begin()
       case I_HS_DOT_3: beginDotStar<B_HS_DOT_3*>(busPtr, pins[1], -1, pins[0], -1, clock_kHz); break;
@@ -484,7 +471,7 @@ class PolyBus {
     #if defined(ARDUINO_ARCH_ESP32) && !(defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3))
     // NOTE: "channel" is only used on ESP32 (and its variants) for RMT channel allocation
     // since 0.15.0-b3 I2S1 is favoured for classic ESP32 and moved to position 0 (channel 0) so we need to subtract 1 for correct RMT allocation
-    if (useParallelI2S && channel > 7) channel -= 8; // accommodate parallel I2S1 which is used 1st on classic ESP32
+    if (_useParallelI2S && channel > 7) channel -= 8; // accommodate parallel I2S1 which is used 1st on classic ESP32
     else if (channel > 0) channel--; // accommodate I2S1 which is used as 1st bus on classic ESP32
     #endif
     void* busPtr = nullptr;
@@ -555,34 +542,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: busPtr = new B_32_RN_TM1914_3(len, pins[0], (NeoBusChannel)channel); break;
       case I_32_RN_SM16825_5: busPtr = new B_32_RN_SM16825_5(len, pins[0], (NeoBusChannel)channel); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) busPtr = new B_32_I1_NEO_3P(len, pins[0]); else busPtr = new B_32_I1_NEO_3(len, pins[0]); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) busPtr = new B_32_I1_NEO_4P(len, pins[0]); else busPtr = new B_32_I1_NEO_4(len, pins[0]); break;
-      case I_32_I1_400_3: if (useParallelI2S) busPtr = new B_32_I1_400_3P(len, pins[0]); else busPtr = new B_32_I1_400_3(len, pins[0]); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) busPtr = new B_32_I1_TM1_4P(len, pins[0]); else busPtr = new B_32_I1_TM1_4(len, pins[0]); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) busPtr = new B_32_I1_TM2_3P(len, pins[0]); else busPtr = new B_32_I1_TM2_3(len, pins[0]); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) busPtr = new B_32_I1_UCS_3P(len, pins[0]); else busPtr = new B_32_I1_UCS_3(len, pins[0]); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) busPtr = new B_32_I1_UCS_4P(len, pins[0]); else busPtr = new B_32_I1_UCS_4(len, pins[0]); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) busPtr = new B_32_I1_APA106_3P(len, pins[0]); else busPtr = new B_32_I1_APA106_3(len, pins[0]); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) busPtr = new B_32_I1_FW6_5P(len, pins[0]); else busPtr = new B_32_I1_FW6_5(len, pins[0]); break;
-      case I_32_I1_2805_5: if (useParallelI2S) busPtr = new B_32_I1_2805_5P(len, pins[0]); else busPtr = new B_32_I1_2805_5(len, pins[0]); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) busPtr = new B_32_I1_TM1914_3P(len, pins[0]); else busPtr = new B_32_I1_TM1914_3(len, pins[0]); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) busPtr = new B_32_I1_SM16825_5P(len, pins[0]); else busPtr = new B_32_I1_SM16825_5(len, pins[0]); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: busPtr = new B_32_I0_NEO_3(len, pins[0]); break;
-      case I_32_I0_NEO_4: busPtr = new B_32_I0_NEO_4(len, pins[0]); break;
-      case I_32_I0_400_3: busPtr = new B_32_I0_400_3(len, pins[0]); break;
-      case I_32_I0_TM1_4: busPtr = new B_32_I0_TM1_4(len, pins[0]); break;
-      case I_32_I0_TM2_3: busPtr = new B_32_I0_TM2_3(len, pins[0]); break;
-      case I_32_I0_UCS_3: busPtr = new B_32_I0_UCS_3(len, pins[0]); break;
-      case I_32_I0_UCS_4: busPtr = new B_32_I0_UCS_4(len, pins[0]); break;
-      case I_32_I0_APA106_3: busPtr = new B_32_I0_APA106_3(len, pins[0]); break;
-      case I_32_I0_FW6_5: busPtr = new B_32_I0_FW6_5(len, pins[0]); break;
-      case I_32_I0_2805_5: busPtr = new B_32_I0_2805_5(len, pins[0]); break;
-      case I_32_I0_TM1914_3: busPtr = new B_32_I0_TM1914_3(len, pins[0]); break;
-      case I_32_I0_SM16825_5: busPtr = new B_32_I0_SM16825_5(len, pins[0]); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) busPtr = new B_32_IP_NEO_3(len, pins[0]); else busPtr = new B_32_I2_NEO_3(len, pins[0]); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) busPtr = new B_32_IP_NEO_4(len, pins[0]); else busPtr = new B_32_I2_NEO_4(len, pins[0]); break;
+      case I_32_I2_400_3: if (_useParallelI2S) busPtr = new B_32_IP_400_3(len, pins[0]); else busPtr = new B_32_I2_400_3(len, pins[0]); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) busPtr = new B_32_IP_TM1_4(len, pins[0]); else busPtr = new B_32_I2_TM1_4(len, pins[0]); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) busPtr = new B_32_IP_TM2_3(len, pins[0]); else busPtr = new B_32_I2_TM2_3(len, pins[0]); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) busPtr = new B_32_IP_UCS_3(len, pins[0]); else busPtr = new B_32_I2_UCS_3(len, pins[0]); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) busPtr = new B_32_IP_UCS_4(len, pins[0]); else busPtr = new B_32_I2_UCS_4(len, pins[0]); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) busPtr = new B_32_IP_APA106_3(len, pins[0]); else busPtr = new B_32_I2_APA106_3(len, pins[0]); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) busPtr = new B_32_IP_FW6_5(len, pins[0]); else busPtr = new B_32_I2_FW6_5(len, pins[0]); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) busPtr = new B_32_IP_2805_5(len, pins[0]); else busPtr = new B_32_I2_2805_5(len, pins[0]); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) busPtr = new B_32_IP_TM1914_3(len, pins[0]); else busPtr = new B_32_I2_TM1914_3(len, pins[0]); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) busPtr = new B_32_IP_SM16825_5(len, pins[0]); else busPtr = new B_32_I2_SM16825_5(len, pins[0]); break;
       #endif
     #endif
       // for 2-wire: pins[1] is clk, pins[0] is dat.  begin expects (len, clk, dat)
@@ -669,34 +641,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: (static_cast<B_32_RN_TM1914_3*>(busPtr))->Show(consistent); break;
       case I_32_RN_SM16825_5: (static_cast<B_32_RN_SM16825_5*>(busPtr))->Show(consistent); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) (static_cast<B_32_I1_NEO_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_NEO_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) (static_cast<B_32_I1_NEO_4P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_NEO_4*>(busPtr))->Show(consistent); break;
-      case I_32_I1_400_3: if (useParallelI2S) (static_cast<B_32_I1_400_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_400_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) (static_cast<B_32_I1_TM1_4P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_TM1_4*>(busPtr))->Show(consistent); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) (static_cast<B_32_I1_TM2_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_TM2_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) (static_cast<B_32_I1_UCS_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_UCS_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) (static_cast<B_32_I1_UCS_4P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_UCS_4*>(busPtr))->Show(consistent); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) (static_cast<B_32_I1_APA106_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_APA106_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) (static_cast<B_32_I1_FW6_5P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_FW6_5*>(busPtr))->Show(consistent); break;
-      case I_32_I1_2805_5: if (useParallelI2S) (static_cast<B_32_I1_2805_5P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_2805_5*>(busPtr))->Show(consistent); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) (static_cast<B_32_I1_TM1914_3P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_TM1914_3*>(busPtr))->Show(consistent); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) (static_cast<B_32_I1_SM16825_5P*>(busPtr))->Show(consistent); else (static_cast<B_32_I1_SM16825_5*>(busPtr))->Show(consistent); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: (static_cast<B_32_I0_NEO_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_NEO_4: (static_cast<B_32_I0_NEO_4*>(busPtr))->Show(consistent); break;
-      case I_32_I0_400_3: (static_cast<B_32_I0_400_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_TM1_4: (static_cast<B_32_I0_TM1_4*>(busPtr))->Show(consistent); break;
-      case I_32_I0_TM2_3: (static_cast<B_32_I0_TM2_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_UCS_3: (static_cast<B_32_I0_UCS_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_UCS_4: (static_cast<B_32_I0_UCS_4*>(busPtr))->Show(consistent); break;
-      case I_32_I0_APA106_3: (static_cast<B_32_I0_APA106_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_FW6_5: (static_cast<B_32_I0_FW6_5*>(busPtr))->Show(consistent); break;
-      case I_32_I0_2805_5: (static_cast<B_32_I0_2805_5*>(busPtr))->Show(consistent); break;
-      case I_32_I0_TM1914_3: (static_cast<B_32_I0_TM1914_3*>(busPtr))->Show(consistent); break;
-      case I_32_I0_SM16825_5: (static_cast<B_32_I0_SM16825_5*>(busPtr))->Show(consistent); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) (static_cast<B_32_IP_NEO_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_NEO_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) (static_cast<B_32_IP_NEO_4*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_NEO_4*>(busPtr))->Show(consistent); break;
+      case I_32_I2_400_3: if (_useParallelI2S) (static_cast<B_32_IP_400_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_400_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) (static_cast<B_32_IP_TM1_4*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_TM1_4*>(busPtr))->Show(consistent); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) (static_cast<B_32_IP_TM2_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_TM2_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) (static_cast<B_32_IP_UCS_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_UCS_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) (static_cast<B_32_IP_UCS_4*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_UCS_4*>(busPtr))->Show(consistent); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) (static_cast<B_32_IP_APA106_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_APA106_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) (static_cast<B_32_IP_FW6_5*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_FW6_5*>(busPtr))->Show(consistent); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) (static_cast<B_32_IP_2805_5*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_2805_5*>(busPtr))->Show(consistent); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) (static_cast<B_32_IP_TM1914_3*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_TM1914_3*>(busPtr))->Show(consistent); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) (static_cast<B_32_IP_SM16825_5*>(busPtr))->Show(consistent); else (static_cast<B_32_I2_SM16825_5*>(busPtr))->Show(consistent); break;
       #endif
     #endif
       case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->Show(consistent); break;
@@ -779,34 +736,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: return (static_cast<B_32_RN_TM1914_3*>(busPtr))->CanShow(); break;
       case I_32_RN_SM16825_5: return (static_cast<B_32_RN_SM16825_5*>(busPtr))->CanShow(); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) return (static_cast<B_32_I1_NEO_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_NEO_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) return (static_cast<B_32_I1_NEO_4P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_NEO_4*>(busPtr))->CanShow(); break;
-      case I_32_I1_400_3: if (useParallelI2S) return (static_cast<B_32_I1_400_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_400_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) return (static_cast<B_32_I1_TM1_4P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_TM1_4*>(busPtr))->CanShow(); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) return (static_cast<B_32_I1_TM2_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_TM2_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) return (static_cast<B_32_I1_UCS_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_UCS_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) return (static_cast<B_32_I1_UCS_4P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_UCS_4*>(busPtr))->CanShow(); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) return (static_cast<B_32_I1_APA106_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_APA106_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) return (static_cast<B_32_I1_FW6_5P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_FW6_5*>(busPtr))->CanShow(); break;
-      case I_32_I1_2805_5: if (useParallelI2S) return (static_cast<B_32_I1_2805_5P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_2805_5*>(busPtr))->CanShow(); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) return (static_cast<B_32_I1_TM1914_3P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_TM1914_3*>(busPtr))->CanShow(); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) return (static_cast<B_32_I1_SM16825_5P*>(busPtr))->CanShow(); else return (static_cast<B_32_I1_SM16825_5*>(busPtr))->CanShow(); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: return (static_cast<B_32_I0_NEO_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_NEO_4: return (static_cast<B_32_I0_NEO_4*>(busPtr))->CanShow(); break;
-      case I_32_I0_400_3: return (static_cast<B_32_I0_400_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_TM1_4: return (static_cast<B_32_I0_TM1_4*>(busPtr))->CanShow(); break;
-      case I_32_I0_TM2_3: return (static_cast<B_32_I0_TM2_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_UCS_3: return (static_cast<B_32_I0_UCS_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_UCS_4: return (static_cast<B_32_I0_UCS_4*>(busPtr))->CanShow(); break;
-      case I_32_I0_APA106_3: return (static_cast<B_32_I0_APA106_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_FW6_5: return (static_cast<B_32_I0_FW6_5*>(busPtr))->CanShow(); break;
-      case I_32_I0_2805_5: return (static_cast<B_32_I0_2805_5*>(busPtr))->CanShow(); break;
-      case I_32_I0_TM1914_3: return (static_cast<B_32_I0_TM1914_3*>(busPtr))->CanShow(); break;
-      case I_32_I0_SM16825_5: return (static_cast<B_32_I0_SM16825_5*>(busPtr))->CanShow(); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) return (static_cast<B_32_IP_NEO_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_NEO_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) return (static_cast<B_32_IP_NEO_4*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_NEO_4*>(busPtr))->CanShow(); break;
+      case I_32_I2_400_3: if (_useParallelI2S) return (static_cast<B_32_IP_400_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_400_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) return (static_cast<B_32_IP_TM1_4*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_TM1_4*>(busPtr))->CanShow(); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) return (static_cast<B_32_IP_TM2_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_TM2_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) return (static_cast<B_32_IP_UCS_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_UCS_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) return (static_cast<B_32_IP_UCS_4*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_UCS_4*>(busPtr))->CanShow(); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) return (static_cast<B_32_IP_APA106_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_APA106_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) return (static_cast<B_32_IP_FW6_5*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_FW6_5*>(busPtr))->CanShow(); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) return (static_cast<B_32_IP_2805_5*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_2805_5*>(busPtr))->CanShow(); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) return (static_cast<B_32_IP_TM1914_3*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_TM1914_3*>(busPtr))->CanShow(); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) return (static_cast<B_32_IP_SM16825_5*>(busPtr))->CanShow(); else return (static_cast<B_32_I2_SM16825_5*>(busPtr))->CanShow(); break;
       #endif
     #endif
       case I_HS_DOT_3: return (static_cast<B_HS_DOT_3*>(busPtr))->CanShow(); break;
@@ -916,34 +858,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: (static_cast<B_32_RN_TM1914_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
       case I_32_RN_SM16825_5: (static_cast<B_32_RN_SM16825_5*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) (static_cast<B_32_I1_NEO_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_NEO_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) (static_cast<B_32_I1_NEO_4P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_NEO_4*>(busPtr))->SetPixelColor(pix, col); break;
-      case I_32_I1_400_3: if (useParallelI2S) (static_cast<B_32_I1_400_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_400_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) (static_cast<B_32_I1_TM1_4P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_TM1_4*>(busPtr))->SetPixelColor(pix, col); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) (static_cast<B_32_I1_TM2_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_TM2_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) (static_cast<B_32_I1_UCS_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_UCS_3*>(busPtr))->SetPixelColor(pix, Rgb48Color(RgbColor(col))); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) (static_cast<B_32_I1_UCS_4P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_UCS_4*>(busPtr))->SetPixelColor(pix, Rgbw64Color(col)); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) (static_cast<B_32_I1_APA106_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_APA106_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) (static_cast<B_32_I1_FW6_5P*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); else (static_cast<B_32_I1_FW6_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
-      case I_32_I1_2805_5: if (useParallelI2S) (static_cast<B_32_I1_2805_5P*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); else (static_cast<B_32_I1_2805_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) (static_cast<B_32_I1_TM1914_3P*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I1_TM1914_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) (static_cast<B_32_I1_SM16825_5P*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); else (static_cast<B_32_I1_SM16825_5*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: (static_cast<B_32_I0_NEO_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I0_NEO_4: (static_cast<B_32_I0_NEO_4*>(busPtr))->SetPixelColor(pix, col); break;
-      case I_32_I0_400_3: (static_cast<B_32_I0_400_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I0_TM1_4: (static_cast<B_32_I0_TM1_4*>(busPtr))->SetPixelColor(pix, col); break;
-      case I_32_I0_TM2_3: (static_cast<B_32_I0_TM2_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I0_UCS_3: (static_cast<B_32_I0_UCS_3*>(busPtr))->SetPixelColor(pix, Rgb48Color(RgbColor(col))); break;
-      case I_32_I0_UCS_4: (static_cast<B_32_I0_UCS_4*>(busPtr))->SetPixelColor(pix, Rgbw64Color(col)); break;
-      case I_32_I0_APA106_3: (static_cast<B_32_I0_APA106_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I0_FW6_5: (static_cast<B_32_I0_FW6_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
-      case I_32_I0_2805_5: (static_cast<B_32_I0_2805_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
-      case I_32_I0_TM1914_3: (static_cast<B_32_I0_TM1914_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
-      case I_32_I0_SM16825_5: (static_cast<B_32_I0_SM16825_5*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) (static_cast<B_32_IP_NEO_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_NEO_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) (static_cast<B_32_IP_NEO_4*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_NEO_4*>(busPtr))->SetPixelColor(pix, col); break;
+      case I_32_I2_400_3: if (_useParallelI2S) (static_cast<B_32_IP_400_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_400_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) (static_cast<B_32_IP_TM1_4*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_TM1_4*>(busPtr))->SetPixelColor(pix, col); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) (static_cast<B_32_IP_TM2_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_TM2_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) (static_cast<B_32_IP_UCS_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_UCS_3*>(busPtr))->SetPixelColor(pix, Rgb48Color(RgbColor(col))); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) (static_cast<B_32_IP_UCS_4*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_UCS_4*>(busPtr))->SetPixelColor(pix, Rgbw64Color(col)); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) (static_cast<B_32_IP_APA106_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_APA106_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) (static_cast<B_32_IP_FW6_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); else (static_cast<B_32_I2_FW6_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) (static_cast<B_32_IP_2805_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); else (static_cast<B_32_I2_2805_5*>(busPtr))->SetPixelColor(pix, RgbwwColor(col.R, col.G, col.B, cctWW, cctCW)); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) (static_cast<B_32_IP_TM1914_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); else (static_cast<B_32_I2_TM1914_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) (static_cast<B_32_IP_SM16825_5*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); else (static_cast<B_32_I2_SM16825_5*>(busPtr))->SetPixelColor(pix, Rgbww80Color(col.R*257, col.G*257, col.B*257, cctWW*257, cctCW*257)); break;
       #endif
     #endif
       case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->SetPixelColor(pix, RgbColor(col)); break;
@@ -1027,34 +954,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: (static_cast<B_32_RN_TM1914_3*>(busPtr))->SetLuminance(b); break;
       case I_32_RN_SM16825_5: (static_cast<B_32_RN_SM16825_5*>(busPtr))->SetLuminance(b); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) (static_cast<B_32_I1_NEO_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_NEO_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) (static_cast<B_32_I1_NEO_4P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_NEO_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_400_3: if (useParallelI2S) (static_cast<B_32_I1_400_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_400_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) (static_cast<B_32_I1_TM1_4P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_TM1_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) (static_cast<B_32_I1_TM2_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_TM2_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) (static_cast<B_32_I1_UCS_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_UCS_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) (static_cast<B_32_I1_UCS_4P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_UCS_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) (static_cast<B_32_I1_APA106_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_APA106_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) (static_cast<B_32_I1_FW6_5P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_FW6_5*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_2805_5: if (useParallelI2S) (static_cast<B_32_I1_2805_5P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_2805_5*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) (static_cast<B_32_I1_TM1914_3P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_TM1914_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) (static_cast<B_32_I1_SM16825_5P*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I1_SM16825_5*>(busPtr))->SetLuminance(b); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: (static_cast<B_32_I0_NEO_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_NEO_4: (static_cast<B_32_I0_NEO_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_400_3: (static_cast<B_32_I0_400_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_TM1_4: (static_cast<B_32_I0_TM1_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_TM2_3: (static_cast<B_32_I0_TM2_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_UCS_3: (static_cast<B_32_I0_UCS_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_UCS_4: (static_cast<B_32_I0_UCS_4*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_APA106_3: (static_cast<B_32_I0_APA106_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_FW6_5: (static_cast<B_32_I0_FW6_5*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_2805_5: (static_cast<B_32_I0_2805_5*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_TM1914_3: (static_cast<B_32_I0_TM1914_3*>(busPtr))->SetLuminance(b); break;
-      case I_32_I0_SM16825_5: (static_cast<B_32_I0_SM16825_5*>(busPtr))->SetLuminance(b); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) (static_cast<B_32_IP_NEO_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_NEO_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) (static_cast<B_32_IP_NEO_4*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_NEO_4*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_400_3: if (_useParallelI2S) (static_cast<B_32_IP_400_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_400_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) (static_cast<B_32_IP_TM1_4*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_TM1_4*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) (static_cast<B_32_IP_TM2_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_TM2_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) (static_cast<B_32_IP_UCS_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_UCS_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) (static_cast<B_32_IP_UCS_4*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_UCS_4*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) (static_cast<B_32_IP_APA106_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_APA106_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) (static_cast<B_32_IP_FW6_5*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_FW6_5*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) (static_cast<B_32_IP_2805_5*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_2805_5*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) (static_cast<B_32_IP_TM1914_3*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_TM1914_3*>(busPtr))->SetLuminance(b); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) (static_cast<B_32_IP_SM16825_5*>(busPtr))->SetLuminance(b); else (static_cast<B_32_I2_SM16825_5*>(busPtr))->SetLuminance(b); break;
       #endif
     #endif
       case I_HS_DOT_3: (static_cast<B_HS_DOT_3*>(busPtr))->SetLuminance(b); break;
@@ -1139,34 +1051,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: col = (static_cast<B_32_RN_TM1914_3*>(busPtr))->GetPixelColor(pix); break;
       case I_32_RN_SM16825_5: { Rgbww80Color c = (static_cast<B_32_RN_SM16825_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,max(c.WW,c.CW)/257); } break; // will not return original W
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: col = (useParallelI2S) ? (static_cast<B_32_I1_NEO_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_NEO_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_NEO_4: col = (useParallelI2S) ? (static_cast<B_32_I1_NEO_4P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_NEO_4*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_400_3: col = (useParallelI2S) ? (static_cast<B_32_I1_400_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_400_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_TM1_4: col = (useParallelI2S) ? (static_cast<B_32_I1_TM1_4P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_TM1_4*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_TM2_3: col = (useParallelI2S) ? (static_cast<B_32_I1_TM2_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_TM2_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_UCS_3: { Rgb48Color c = (useParallelI2S) ? (static_cast<B_32_I1_UCS_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_UCS_3*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,0); } break;
-      case I_32_I1_UCS_4: { Rgbw64Color c = (useParallelI2S) ? (static_cast<B_32_I1_UCS_4P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_UCS_4*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,c.W/257); } break;
-      case I_32_I1_APA106_3: col = (useParallelI2S) ? (static_cast<B_32_I1_APA106_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_APA106_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_FW6_5: { RgbwwColor c = (useParallelI2S) ? (static_cast<B_32_I1_FW6_5P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_FW6_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
-      case I_32_I1_2805_5: { RgbwwColor c = (useParallelI2S) ? (static_cast<B_32_I1_2805_5P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_2805_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
-      case I_32_I1_TM1914_3: col = (useParallelI2S) ? (static_cast<B_32_I1_TM1914_3P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_TM1914_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I1_SM16825_5: { Rgbww80Color c = (useParallelI2S) ? (static_cast<B_32_I1_SM16825_5P*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I1_SM16825_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,max(c.WW,c.CW)/257); } break; // will not return original W
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: col = (static_cast<B_32_I0_NEO_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_NEO_4: col = (static_cast<B_32_I0_NEO_4*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_400_3: col = (static_cast<B_32_I0_400_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_TM1_4: col = (static_cast<B_32_I0_TM1_4*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_TM2_3: col = (static_cast<B_32_I0_TM2_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_UCS_3: { Rgb48Color c = (static_cast<B_32_I0_UCS_3*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,0); } break;
-      case I_32_I0_UCS_4: { Rgbw64Color c = (static_cast<B_32_I0_UCS_4*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,c.W/257); } break;
-      case I_32_I0_APA106_3: col = (static_cast<B_32_I0_APA106_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_FW6_5: { RgbwwColor c = (static_cast<B_32_I0_FW6_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
-      case I_32_I0_2805_5: { RgbwwColor c = (static_cast<B_32_I0_2805_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
-      case I_32_I0_TM1914_3: col = (static_cast<B_32_I0_TM1914_3*>(busPtr))->GetPixelColor(pix); break;
-      case I_32_I0_SM16825_5: { Rgbww80Color c = (static_cast<B_32_I0_SM16825_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,max(c.WW,c.CW)/257); } break; // will not return original W
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: col = (_useParallelI2S) ? (static_cast<B_32_IP_NEO_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_NEO_3*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_NEO_4: col = (_useParallelI2S) ? (static_cast<B_32_IP_NEO_4*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_NEO_4*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_400_3: col = (_useParallelI2S) ? (static_cast<B_32_IP_400_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_400_3*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_TM1_4: col = (_useParallelI2S) ? (static_cast<B_32_IP_TM1_4*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_TM1_4*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_TM2_3: col = (_useParallelI2S) ? (static_cast<B_32_IP_TM2_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_TM2_3*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_UCS_3: { Rgb48Color c = (_useParallelI2S) ? (static_cast<B_32_IP_UCS_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_UCS_3*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,0); } break;
+      case I_32_I2_UCS_4: { Rgbw64Color c = (_useParallelI2S) ? (static_cast<B_32_IP_UCS_4*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_UCS_4*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,c.W/257); } break;
+      case I_32_I2_APA106_3: col = (_useParallelI2S) ? (static_cast<B_32_IP_APA106_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_APA106_3*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_FW6_5: { RgbwwColor c = (_useParallelI2S) ? (static_cast<B_32_IP_FW6_5*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_FW6_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
+      case I_32_I2_2805_5: { RgbwwColor c = (_useParallelI2S) ? (static_cast<B_32_IP_2805_5*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_2805_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R,c.G,c.B,max(c.WW,c.CW)); } break; // will not return original W
+      case I_32_I2_TM1914_3: col = (_useParallelI2S) ? (static_cast<B_32_IP_TM1914_3*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_TM1914_3*>(busPtr))->GetPixelColor(pix); break;
+      case I_32_I2_SM16825_5: { Rgbww80Color c = (_useParallelI2S) ? (static_cast<B_32_IP_SM16825_5*>(busPtr))->GetPixelColor(pix) : (static_cast<B_32_I2_SM16825_5*>(busPtr))->GetPixelColor(pix); col = RGBW32(c.R/257,c.G/257,c.B/257,max(c.WW,c.CW)/257); } break; // will not return original W
       #endif
     #endif
       case I_HS_DOT_3: col = (static_cast<B_HS_DOT_3*>(busPtr))->GetPixelColor(pix); break;
@@ -1269,34 +1166,19 @@ class PolyBus {
       case I_32_RN_TM1914_3: delete (static_cast<B_32_RN_TM1914_3*>(busPtr)); break;
       case I_32_RN_SM16825_5: delete (static_cast<B_32_RN_SM16825_5*>(busPtr)); break;
       // I2S1 bus or paralell buses
-      #ifndef WLED_NO_I2S1_PIXELBUS
-      case I_32_I1_NEO_3: if (useParallelI2S) delete (static_cast<B_32_I1_NEO_3P*>(busPtr)); else delete (static_cast<B_32_I1_NEO_3*>(busPtr)); break;
-      case I_32_I1_NEO_4: if (useParallelI2S) delete (static_cast<B_32_I1_NEO_4P*>(busPtr)); else delete (static_cast<B_32_I1_NEO_4*>(busPtr)); break;
-      case I_32_I1_400_3: if (useParallelI2S) delete (static_cast<B_32_I1_400_3P*>(busPtr)); else delete (static_cast<B_32_I1_400_3*>(busPtr)); break;
-      case I_32_I1_TM1_4: if (useParallelI2S) delete (static_cast<B_32_I1_TM1_4P*>(busPtr)); else delete (static_cast<B_32_I1_TM1_4*>(busPtr)); break;
-      case I_32_I1_TM2_3: if (useParallelI2S) delete (static_cast<B_32_I1_TM2_3P*>(busPtr)); else delete (static_cast<B_32_I1_TM2_3*>(busPtr)); break;
-      case I_32_I1_UCS_3: if (useParallelI2S) delete (static_cast<B_32_I1_UCS_3P*>(busPtr)); else delete (static_cast<B_32_I1_UCS_3*>(busPtr)); break;
-      case I_32_I1_UCS_4: if (useParallelI2S) delete (static_cast<B_32_I1_UCS_4P*>(busPtr)); else delete (static_cast<B_32_I1_UCS_4*>(busPtr)); break;
-      case I_32_I1_APA106_3: if (useParallelI2S) delete (static_cast<B_32_I1_APA106_3P*>(busPtr)); else delete (static_cast<B_32_I1_APA106_3*>(busPtr)); break;
-      case I_32_I1_FW6_5: if (useParallelI2S) delete (static_cast<B_32_I1_FW6_5P*>(busPtr)); else delete (static_cast<B_32_I1_FW6_5*>(busPtr)); break;
-      case I_32_I1_2805_5: if (useParallelI2S) delete (static_cast<B_32_I1_2805_5P*>(busPtr)); else delete (static_cast<B_32_I1_2805_5*>(busPtr)); break;
-      case I_32_I1_TM1914_3: if (useParallelI2S) delete (static_cast<B_32_I1_TM1914_3P*>(busPtr)); else delete (static_cast<B_32_I1_TM1914_3*>(busPtr)); break;
-      case I_32_I1_SM16825_5: if (useParallelI2S) delete (static_cast<B_32_I1_SM16825_5P*>(busPtr)); else delete (static_cast<B_32_I1_SM16825_5*>(busPtr)); break;
-      #endif
-      // I2S0 bus
-      #ifndef WLED_NO_I2S0_PIXELBUS
-      case I_32_I0_NEO_3: delete (static_cast<B_32_I0_NEO_3*>(busPtr)); break;
-      case I_32_I0_NEO_4: delete (static_cast<B_32_I0_NEO_4*>(busPtr)); break;
-      case I_32_I0_400_3: delete (static_cast<B_32_I0_400_3*>(busPtr)); break;
-      case I_32_I0_TM1_4: delete (static_cast<B_32_I0_TM1_4*>(busPtr)); break;
-      case I_32_I0_TM2_3: delete (static_cast<B_32_I0_TM2_3*>(busPtr)); break;
-      case I_32_I0_UCS_3: delete (static_cast<B_32_I0_UCS_3*>(busPtr)); break;
-      case I_32_I0_UCS_4: delete (static_cast<B_32_I0_UCS_4*>(busPtr)); break;
-      case I_32_I0_APA106_3: delete (static_cast<B_32_I0_APA106_3*>(busPtr)); break;
-      case I_32_I0_FW6_5: delete (static_cast<B_32_I0_FW6_5*>(busPtr)); break;
-      case I_32_I0_2805_5: delete (static_cast<B_32_I0_2805_5*>(busPtr)); break;
-      case I_32_I0_TM1914_3: delete (static_cast<B_32_I0_TM1914_3*>(busPtr)); break;
-      case I_32_I0_SM16825_5: delete (static_cast<B_32_I0_SM16825_5*>(busPtr)); break;
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: if (_useParallelI2S) delete (static_cast<B_32_IP_NEO_3*>(busPtr)); else delete (static_cast<B_32_I2_NEO_3*>(busPtr)); break;
+      case I_32_I2_NEO_4: if (_useParallelI2S) delete (static_cast<B_32_IP_NEO_4*>(busPtr)); else delete (static_cast<B_32_I2_NEO_4*>(busPtr)); break;
+      case I_32_I2_400_3: if (_useParallelI2S) delete (static_cast<B_32_IP_400_3*>(busPtr)); else delete (static_cast<B_32_I2_400_3*>(busPtr)); break;
+      case I_32_I2_TM1_4: if (_useParallelI2S) delete (static_cast<B_32_IP_TM1_4*>(busPtr)); else delete (static_cast<B_32_I2_TM1_4*>(busPtr)); break;
+      case I_32_I2_TM2_3: if (_useParallelI2S) delete (static_cast<B_32_IP_TM2_3*>(busPtr)); else delete (static_cast<B_32_I2_TM2_3*>(busPtr)); break;
+      case I_32_I2_UCS_3: if (_useParallelI2S) delete (static_cast<B_32_IP_UCS_3*>(busPtr)); else delete (static_cast<B_32_I2_UCS_3*>(busPtr)); break;
+      case I_32_I2_UCS_4: if (_useParallelI2S) delete (static_cast<B_32_IP_UCS_4*>(busPtr)); else delete (static_cast<B_32_I2_UCS_4*>(busPtr)); break;
+      case I_32_I2_APA106_3: if (_useParallelI2S) delete (static_cast<B_32_IP_APA106_3*>(busPtr)); else delete (static_cast<B_32_I2_APA106_3*>(busPtr)); break;
+      case I_32_I2_FW6_5: if (_useParallelI2S) delete (static_cast<B_32_IP_FW6_5*>(busPtr)); else delete (static_cast<B_32_I2_FW6_5*>(busPtr)); break;
+      case I_32_I2_2805_5: if (_useParallelI2S) delete (static_cast<B_32_IP_2805_5*>(busPtr)); else delete (static_cast<B_32_I2_2805_5*>(busPtr)); break;
+      case I_32_I2_TM1914_3: if (_useParallelI2S) delete (static_cast<B_32_IP_TM1914_3*>(busPtr)); else delete (static_cast<B_32_I2_TM1914_3*>(busPtr)); break;
+      case I_32_I2_SM16825_5: if (_useParallelI2S) delete (static_cast<B_32_IP_SM16825_5*>(busPtr)); else delete (static_cast<B_32_I2_SM16825_5*>(busPtr)); break;
       #endif
     #endif
       case I_HS_DOT_3: delete (static_cast<B_HS_DOT_3*>(busPtr)); break;
@@ -1312,6 +1194,104 @@ class PolyBus {
     }
   }
 
+  static unsigned getDataSize(void* busPtr, uint8_t busType) {
+    unsigned size = 0;
+    switch (busType) {
+      case I_NONE: break;
+    #ifdef ESP8266
+      case I_8266_U0_NEO_3: size = (static_cast<B_8266_U0_NEO_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_NEO_3: size = (static_cast<B_8266_U1_NEO_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_NEO_3: size = (static_cast<B_8266_DM_NEO_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_NEO_3: size = (static_cast<B_8266_BB_NEO_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_NEO_4: size = (static_cast<B_8266_U0_NEO_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_NEO_4: size = (static_cast<B_8266_U1_NEO_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_NEO_4: size = (static_cast<B_8266_DM_NEO_4*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_NEO_4: size = (static_cast<B_8266_BB_NEO_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_400_3: size = (static_cast<B_8266_U0_400_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_400_3: size = (static_cast<B_8266_U1_400_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_400_3: size = (static_cast<B_8266_DM_400_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_400_3: size = (static_cast<B_8266_BB_400_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_TM1_4: size = (static_cast<B_8266_U0_TM1_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_TM1_4: size = (static_cast<B_8266_U1_TM1_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_TM1_4: size = (static_cast<B_8266_DM_TM1_4*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_TM1_4: size = (static_cast<B_8266_BB_TM1_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_TM2_3: size = (static_cast<B_8266_U0_TM2_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_TM2_3: size = (static_cast<B_8266_U1_TM2_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_TM2_3: size = (static_cast<B_8266_DM_TM2_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_TM2_3: size = (static_cast<B_8266_BB_TM2_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_UCS_3: size = (static_cast<B_8266_U0_UCS_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_UCS_3: size = (static_cast<B_8266_U1_UCS_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_UCS_3: size = (static_cast<B_8266_DM_UCS_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_UCS_3: size = (static_cast<B_8266_BB_UCS_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_UCS_4: size = (static_cast<B_8266_U0_UCS_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_UCS_4: size = (static_cast<B_8266_U1_UCS_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_UCS_4: size = (static_cast<B_8266_DM_UCS_4*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_UCS_4: size = (static_cast<B_8266_BB_UCS_4*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_APA106_3: size = (static_cast<B_8266_U0_APA106_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_APA106_3: size = (static_cast<B_8266_U1_APA106_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_APA106_3: size = (static_cast<B_8266_DM_APA106_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_APA106_3: size = (static_cast<B_8266_BB_APA106_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_FW6_5: size = (static_cast<B_8266_U0_FW6_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_FW6_5: size = (static_cast<B_8266_U1_FW6_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_FW6_5: size = (static_cast<B_8266_DM_FW6_5*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_FW6_5: size = (static_cast<B_8266_BB_FW6_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_2805_5: size = (static_cast<B_8266_U0_2805_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_2805_5: size = (static_cast<B_8266_U1_2805_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_2805_5: size = (static_cast<B_8266_DM_2805_5*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_2805_5: size = (static_cast<B_8266_BB_2805_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_TM1914_3: size = (static_cast<B_8266_U0_TM1914_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_TM1914_3: size = (static_cast<B_8266_U1_TM1914_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_TM1914_3: size = (static_cast<B_8266_DM_TM1914_3*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_TM1914_3: size = (static_cast<B_8266_BB_TM1914_3*>(busPtr))->PixelsSize(); break;
+      case I_8266_U0_SM16825_5: size = (static_cast<B_8266_U0_SM16825_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_U1_SM16825_5: size = (static_cast<B_8266_U1_SM16825_5*>(busPtr))->PixelsSize(); break;
+      case I_8266_DM_SM16825_5: size = (static_cast<B_8266_DM_SM16825_5*>(busPtr))->PixelsSize()*5; break;
+      case I_8266_BB_SM16825_5: size = (static_cast<B_8266_BB_SM16825_5*>(busPtr))->PixelsSize(); break;
+    #endif
+    #ifdef ARDUINO_ARCH_ESP32
+      // RMT buses
+      case I_32_RN_NEO_3: size = (static_cast<B_32_RN_NEO_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_NEO_4: size = (static_cast<B_32_RN_NEO_4*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_400_3: size = (static_cast<B_32_RN_400_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_TM1_4: size = (static_cast<B_32_RN_TM1_4*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_TM2_3: size = (static_cast<B_32_RN_TM2_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_UCS_3: size = (static_cast<B_32_RN_UCS_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_UCS_4: size = (static_cast<B_32_RN_UCS_4*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_APA106_3: size = (static_cast<B_32_RN_APA106_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_FW6_5: size = (static_cast<B_32_RN_FW6_5*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_2805_5: size = (static_cast<B_32_RN_2805_5*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_TM1914_3: size = (static_cast<B_32_RN_TM1914_3*>(busPtr))->PixelsSize()*2; break;
+      case I_32_RN_SM16825_5: size = (static_cast<B_32_RN_SM16825_5*>(busPtr))->PixelsSize()*2; break;
+      // I2S1 bus or paralell buses
+      #ifndef CONFIG_IDF_TARGET_ESP32C3
+      case I_32_I2_NEO_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_NEO_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_NEO_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_NEO_4: size = (_useParallelI2S) ? (static_cast<B_32_IP_NEO_4*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_NEO_4*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_400_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_400_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_400_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_TM1_4: size = (_useParallelI2S) ? (static_cast<B_32_IP_TM1_4*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_TM1_4*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_TM2_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_TM2_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_TM2_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_UCS_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_UCS_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_UCS_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_UCS_4: size = (_useParallelI2S) ? (static_cast<B_32_IP_UCS_4*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_UCS_4*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_APA106_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_APA106_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_APA106_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_FW6_5: size = (_useParallelI2S) ? (static_cast<B_32_IP_FW6_5*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_FW6_5*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_2805_5: size = (_useParallelI2S) ? (static_cast<B_32_IP_2805_5*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_2805_5*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_TM1914_3: size = (_useParallelI2S) ? (static_cast<B_32_IP_TM1914_3*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_TM1914_3*>(busPtr))->PixelsSize()*8; break;
+      case I_32_I2_SM16825_5: size = (_useParallelI2S) ? (static_cast<B_32_IP_SM16825_5*>(busPtr))->PixelsSize()*16 : (static_cast<B_32_I2_SM16825_5*>(busPtr))->PixelsSize()*8; break;
+      #endif
+    #endif
+      case I_HS_DOT_3: size = (static_cast<B_HS_DOT_3*>(busPtr))->PixelsSize(); break;
+      case I_SS_DOT_3: size = (static_cast<B_SS_DOT_3*>(busPtr))->PixelsSize(); break;
+      case I_HS_LPD_3: size = (static_cast<B_HS_LPD_3*>(busPtr))->PixelsSize(); break;
+      case I_SS_LPD_3: size = (static_cast<B_SS_LPD_3*>(busPtr))->PixelsSize(); break;
+      case I_HS_LPO_3: size = (static_cast<B_HS_LPO_3*>(busPtr))->PixelsSize(); break;
+      case I_SS_LPO_3: size = (static_cast<B_SS_LPO_3*>(busPtr))->PixelsSize(); break;
+      case I_HS_WS1_3: size = (static_cast<B_HS_WS1_3*>(busPtr))->PixelsSize(); break;
+      case I_SS_WS1_3: size = (static_cast<B_SS_WS1_3*>(busPtr))->PixelsSize(); break;
+      case I_HS_P98_3: size = (static_cast<B_HS_P98_3*>(busPtr))->PixelsSize(); break;
+      case I_SS_P98_3: size = (static_cast<B_SS_P98_3*>(busPtr))->PixelsSize(); break;
+    }
+    return size;
+  }
+
   //gives back the internal type index (I_XX_XXX_X above) for the input
   static uint8_t getI(uint8_t busType, uint8_t* pins, uint8_t num = 0) {
     if (!Bus::isDigital(busType)) return I_NONE;
@@ -1372,26 +1352,33 @@ class PolyBus {
       uint8_t offset = 0; // 0 = RMT (num 1-8), 1 = I2S0 (used by Audioreactive), 2 = I2S1
       #if defined(CONFIG_IDF_TARGET_ESP32S2)
       // ESP32-S2 only has 4 RMT channels
-      if (num > 4) return I_NONE;
-      if (num > 3) offset = 1;  // only one I2S (use last to allow Audioreactive)
+      if (_useParallelI2S) {
+        if (num > 11) return I_NONE;
+        if (num > 3) offset = 1;    // use x8 parallel I2S0 channels (use last to allow Audioreactive)
+      } else {
+        if (num > 4) return I_NONE;
+        if (num > 3) offset = 1;  // only one I2S0 (use last to allow Audioreactive)
+      }
       #elif defined(CONFIG_IDF_TARGET_ESP32C3)
       // On ESP32-C3 only the first 2 RMT channels are usable for transmitting
       if (num > 1) return I_NONE;
       //if (num > 1) offset = 1; // I2S not supported yet (only 1 I2S)
       #elif defined(CONFIG_IDF_TARGET_ESP32S3)
       // On ESP32-S3 only the first 4 RMT channels are usable for transmitting
-      if (num > 3) return I_NONE;
-      //if (num > 3) offset = num -4; // I2S not supported yet
+      if (_useParallelI2S) {
+        if (num > 11) return I_NONE;
+        if (num > 3) offset = 1;    // use x8 parallel I2S LCD channels
+      } else {
+        if (num > 3) return I_NONE; // do not use single I2S (as it is not supported)
+      }
       #else
-      // standard ESP32 has 8 RMT and 2 I2S channels
-      if (useParallelI2S) {
-        if (num > 16) return I_NONE;
-        if (num < 8) offset = 2;  // prefer 8 parallel I2S1 channels
-        if (num == 16) offset = 1;
+      // standard ESP32 has 8 RMT and x1/x8 I2S1 channels
+      if (_useParallelI2S) {
+        if (num > 15) return I_NONE;
+        if (num < 8) offset = 1;  // prefer 8 parallel I2S1 channels
       } else {
         if (num > 9) return I_NONE;
-        if (num > 8) offset = 1;
-        if (num == 0) offset = 2; // prefer I2S1 for 1st bus (less flickering but more RAM needed)
+        if (num == 0) offset = 1; // prefer I2S1 for 1st bus (less flickering but more RAM needed)
       }
       #endif
       switch (busType) {
diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 38e804ed9..e4536156c 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -118,6 +118,9 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
   Bus::setCCTBlend(strip.cctBlending);
   strip.setTargetFps(hw_led["fps"]); //NOP if 0, default 42 FPS
   CJSON(useGlobalLedBuffer, hw_led[F("ld")]);
+  #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
+  CJSON(useParallelI2S, hw_led[F("prl")]);
+  #endif
 
   #ifndef WLED_DISABLE_2D
   // 2D Matrix Settings
@@ -162,34 +165,6 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
     DEBUG_PRINTF_P(PSTR("Heap before buses: %d\n"), ESP.getFreeHeap());
     int s = 0;  // bus iterator
     if (fromFS) BusManager::removeAll(); // can't safely manipulate busses directly in network callback
-    unsigned mem = 0;
-
-    // determine if it is sensible to use parallel I2S outputs on ESP32 (i.e. more than 5 outputs = 1 I2S + 4 RMT)
-    bool useParallel = false;
-    #if defined(ARDUINO_ARCH_ESP32) && !defined(ARDUINO_ARCH_ESP32S2) && !defined(ARDUINO_ARCH_ESP32S3) && !defined(ARDUINO_ARCH_ESP32C3)
-    unsigned digitalCount = 0;
-    unsigned maxLedsOnBus = 0;
-    unsigned maxChannels = 0;
-    for (JsonObject elm : ins) {
-      unsigned type = elm["type"] | TYPE_WS2812_RGB;
-      unsigned len = elm["len"] | DEFAULT_LED_COUNT;
-      if (!Bus::isDigital(type)) continue;
-      if (!Bus::is2Pin(type)) {
-        digitalCount++;
-        unsigned channels = Bus::getNumberOfChannels(type);
-        if (len > maxLedsOnBus)     maxLedsOnBus = len;
-        if (channels > maxChannels) maxChannels  = channels;
-      }
-    }
-    DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\n"), maxLedsOnBus, digitalCount);
-    // we may remove 300 LEDs per bus limit when NeoPixelBus is updated beyond 2.9.0
-    if (maxLedsOnBus <= 300 && digitalCount > 5) {
-      DEBUG_PRINTLN(F("Switching to parallel I2S."));
-      useParallel = true;
-      BusManager::useParallelOutput();
-      mem = BusManager::memUsage(maxChannels, maxLedsOnBus, 8); // use alternate memory calculation
-    }
-    #endif
 
     for (JsonObject elm : ins) {
       if (s >= WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES) break;
@@ -220,24 +195,12 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
         maMax = 0;
       }
       ledType |= refresh << 7; // hack bit 7 to indicate strip requires off refresh
-      if (fromFS) {
-        BusConfig bc = BusConfig(ledType, pins, start, length, colorOrder, reversed, skipFirst, AWmode, freqkHz, useGlobalLedBuffer, maPerLed, maMax);
-        if (useParallel && s < 8) {
-          // if for some unexplained reason the above pre-calculation was wrong, update
-          unsigned memT = BusManager::memUsage(bc); // includes x8 memory allocation for parallel I2S
-          if (memT > mem) mem = memT; // if we have unequal LED count use the largest
-        } else
-          mem += BusManager::memUsage(bc); // includes global buffer
-        if (mem <= MAX_LED_MEMORY) if (BusManager::add(bc) == -1) break;  // finalization will be done in WLED::beginStrip()
-      } else {
-        if (busConfigs[s] != nullptr) delete busConfigs[s];
-        busConfigs[s] = new BusConfig(ledType, pins, start, length, colorOrder, reversed, skipFirst, AWmode, freqkHz, useGlobalLedBuffer, maPerLed, maMax);
-        doInitBusses = true;  // finalization done in beginStrip()
-      }
+
+      if (busConfigs[s] != nullptr) delete busConfigs[s];
+      busConfigs[s] = new BusConfig(ledType, pins, start, length, colorOrder, reversed, skipFirst, AWmode, freqkHz, useGlobalLedBuffer, maPerLed, maMax);
+      doInitBusses = true;  // finalization done in beginStrip()
       s++;
     }
-    DEBUG_PRINTF_P(PSTR("LED buffer size: %uB\n"), mem);
-    DEBUG_PRINTF_P(PSTR("Heap after buses: %d\n"), ESP.getFreeHeap());
   }
   if (hw_led["rev"]) BusManager::getBus(0)->setReversed(true); //set 0.11 global reversed setting for first bus
 
@@ -823,6 +786,9 @@ void serializeConfig() {
   hw_led["fps"] = strip.getTargetFps();
   hw_led[F("rgbwm")] = Bus::getGlobalAWMode(); // global auto white mode override
   hw_led[F("ld")] = useGlobalLedBuffer;
+  #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
+  hw_led[F("prl")] = BusManager::hasParallelOutput();
+  #endif
 
   #ifndef WLED_DISABLE_2D
   // 2D Matrix Settings
diff --git a/wled00/const.h b/wled00/const.h
index 928b150da..640d2d8f6 100644
--- a/wled00/const.h
+++ b/wled00/const.h
@@ -59,19 +59,19 @@
       #define WLED_MIN_VIRTUAL_BUSSES 3
     #elif defined(CONFIG_IDF_TARGET_ESP32S2)  // 4 RMT, 8 LEDC, only has 1 I2S bus, supported in NPB
       // the 5th bus (I2S) will prevent Audioreactive usermod from functioning (it is last used though)
-      #define WLED_MAX_BUSSES 7               // will allow 5 digital & 2 analog RGB
-      #define WLED_MAX_DIGITAL_CHANNELS 5
+      #define WLED_MAX_BUSSES 14              // will allow 12 digital & 2 analog RGB
+      #define WLED_MAX_DIGITAL_CHANNELS 12    // x4 RMT + x1/x8 I2S0
       //#define WLED_MAX_ANALOG_CHANNELS 8
       #define WLED_MIN_VIRTUAL_BUSSES 3
-    #elif defined(CONFIG_IDF_TARGET_ESP32S3)  // 4 RMT, 8 LEDC, has 2 I2S but NPB does not support them ATM
-      #define WLED_MAX_BUSSES 6               // will allow 4 digital & 2 analog RGB
-      #define WLED_MAX_DIGITAL_CHANNELS 4
+    #elif defined(CONFIG_IDF_TARGET_ESP32S3)  // 4 RMT, 8 LEDC, has 2 I2S but NPB supports parallel x8 LCD on I2S1
+      #define WLED_MAX_BUSSES 14              // will allow 12 digital & 2 analog RGB
+      #define WLED_MAX_DIGITAL_CHANNELS 12    // x4 RMT + x8 I2S-LCD
       //#define WLED_MAX_ANALOG_CHANNELS 8
       #define WLED_MIN_VIRTUAL_BUSSES 4
     #else
       // the last digital bus (I2S0) will prevent Audioreactive usermod from functioning
-      #define WLED_MAX_BUSSES 20              // will allow 17 digital & 3 analog RGB
-      #define WLED_MAX_DIGITAL_CHANNELS 17
+      #define WLED_MAX_BUSSES 19              // will allow 16 digital & 3 analog RGB
+      #define WLED_MAX_DIGITAL_CHANNELS 16    // x1/x8 I2S1 + x8 RMT
       //#define WLED_MAX_ANALOG_CHANNELS 16
       #define WLED_MIN_VIRTUAL_BUSSES 4
     #endif
diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index 956cf7d90..86a15cde9 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -42,10 +42,10 @@
 			if (loc) d.Sf.action = getURL('/settings/leds');
 		}
 		function bLimits(b,v,p,m,l,o=5,d=2,a=6) {
-			oMaxB = maxB = b; // maxB - max buses (can be changed if using ESP32 parallel I2S)
-			maxD  = d; // maxD - max digital channels (can be changed if using ESP32 parallel I2S)
-			maxA  = a; // maxA - max analog channels
-			maxV  = v; // maxV - min virtual buses
+			oMaxB = maxB = b; // maxB - max buses (can be changed if using ESP32 parallel I2S): 20 - ESP32, 14 - S3/S2, 6 - C3, 4 - 8266
+			maxD  = d; // maxD - max digital channels (can be changed if using ESP32 parallel I2S): 17 - ESP32, 12 - S3/S2, 2 - C3, 3 - 8266
+			maxA  = a; // maxA - max analog channels: 16 - ESP32, 8 - S3/S2, 6 - C3, 5 - 8266
+			maxV  = v; // maxV - min virtual buses: 4 - ESP32/S3, 3 - S2/C3, 2 - ESP8266
 			maxPB = p; // maxPB - max LEDs per bus
 			maxM  = m; // maxM - max LED memory
 			maxL  = l; // maxL - max LEDs (will serve to determine ESP >1664 == ESP32)
@@ -250,6 +250,7 @@
 			}
 
 			// enable/disable LED fields
+			let dC = 0; // count of digital buses (for parallel I2S)
 			let LTs = d.Sf.querySelectorAll("#mLC select[name^=LT]");
 			LTs.forEach((s,i)=>{
 				if (i < LTs.length-1) s.disabled = true; // prevent changing type (as we can't update options)
@@ -257,6 +258,7 @@
 				var n = s.name.substring(2);
 				var t = parseInt(s.value);
 				memu += getMem(t, n); // calc memory
+				dC += (isDig(t) && !isD2P(t));
 				setPinConfig(n,t);
 				gId("abl"+n).style.display = (!abl || !isDig(t)) ? "none" : "inline"; // show/hide individual ABL settings
 				if (change) { // did we change LED type?
@@ -295,8 +297,7 @@
 				// do we have a led count field
 				if (nm=="LC") {
 					let c = parseInt(LC.value,10); //get LED count
-					if (c > 300 && i < 8) maxB = oMaxB - Math.max(maxD-7,0); //TODO: hard limit for buses when using ESP32 parallel I2S
-					if (!customStarts || !startsDirty[n]) gId("ls"+n).value=sLC; //update start value
+					if (!customStarts || !startsDirty[n]) gId("ls"+n).value = sLC; //update start value
 					gId("ls"+n).disabled = !customStarts; //enable/disable field editing
 					if (c) {
 						let s = parseInt(gId("ls"+n).value); //start value
@@ -350,6 +351,17 @@
 						else LC.style.color = d.ro_gpio.some((e)=>e==parseInt(LC.value)) ? "orange" : "#fff";
 					}
 			});
+			const S2 = (oMaxB == 14) && (maxV == 3);
+			const S3 = (oMaxB == 14) && (maxV == 4);
+			if (oMaxB == 19 || S2 || S3) { // TODO: crude ESP32 & S2/S3 detection
+				if (maxLC > 300 || dC <= 2) {
+					d.Sf["PR"].checked = false;
+					gId("prl").classList.add("hide");
+				} else
+					gId("prl").classList.remove("hide");
+				maxD = (S2 || S3 ? 4 : 8) + (d.Sf["PR"].checked ? 8 : S2); // TODO: use bLimits() : 4/8RMT + (x1/x8 parallel) I2S1
+				maxB = oMaxB - (d.Sf["PR"].checked ? 0 : 7 + S3); // S2 (maxV==3) does support single I2S
+			}
 			// distribute ABL current if not using PPL
 			enPPL(sDI);
 
@@ -789,6 +801,7 @@ Swap: <select id="xw${s}" name="XW${s}">
 			Use less than <span id="wreason">800 LEDs per output</span> for the best experience!<br>
 		</div>
 		<hr class="sml">
+		<div id="prl" class="hide">Use parallel I2S: <input type="checkbox" name="PR"><br></div>
 		Make a segment for each output: <input type="checkbox" name="MS"><br>
 		Custom bus start indices: <input type="checkbox" onchange="tglSi(this.checked)" id="si"><br>
 		Use global LED buffer: <input type="checkbox" name="LD" onchange="UI()"><br>
diff --git a/wled00/set.cpp b/wled00/set.cpp
index 160eb48f0..d4b6f5475 100644
--- a/wled00/set.cpp
+++ b/wled00/set.cpp
@@ -139,6 +139,9 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
     Bus::setGlobalAWMode(request->arg(F("AW")).toInt());
     strip.setTargetFps(request->arg(F("FR")).toInt());
     useGlobalLedBuffer = request->hasArg(F("LD"));
+    #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
+    useParallelI2S = request->hasArg(F("PR"));
+    #endif
 
     bool busesChanged = false;
     for (int s = 0; s < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; s++) {
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 1f978a39b..2967c067f 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -179,46 +179,7 @@ void WLED::loop()
     DEBUG_PRINTLN(F("Re-init busses."));
     bool aligned = strip.checkSegmentAlignment(); //see if old segments match old bus(ses)
     BusManager::removeAll();
-    unsigned mem = 0;
-    // determine if it is sensible to use parallel I2S outputs on ESP32 (i.e. more than 5 outputs = 1 I2S + 4 RMT)
-    bool useParallel = false;
-    #if defined(ARDUINO_ARCH_ESP32) && !defined(ARDUINO_ARCH_ESP32S2) && !defined(ARDUINO_ARCH_ESP32S3) && !defined(ARDUINO_ARCH_ESP32C3)
-    unsigned digitalCount = 0;
-    unsigned maxLedsOnBus = 0;
-    unsigned maxChannels = 0;
-    for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
-      if (busConfigs[i] == nullptr) break;
-      if (!Bus::isDigital(busConfigs[i]->type)) continue;
-      if (!Bus::is2Pin(busConfigs[i]->type)) {
-        digitalCount++;
-        unsigned channels = Bus::getNumberOfChannels(busConfigs[i]->type);
-        if (busConfigs[i]->count > maxLedsOnBus) maxLedsOnBus = busConfigs[i]->count;
-        if (channels > maxChannels) maxChannels  = channels;
-      }
-    }
-    DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\n"), maxLedsOnBus, digitalCount);
-    // we may remove 300 LEDs per bus limit when NeoPixelBus is updated beyond 2.9.0
-    if (maxLedsOnBus <= 300 && digitalCount > 5) {
-      DEBUG_PRINTF_P(PSTR("Switching to parallel I2S."));
-      useParallel = true;
-      BusManager::useParallelOutput();
-      mem = BusManager::memUsage(maxChannels, maxLedsOnBus, 8); // use alternate memory calculation (hse to be used *after* useParallelOutput())
-    }
-    #endif
-    // create buses/outputs
-    for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
-      if (busConfigs[i] == nullptr || (!useParallel && i > 10)) break;
-      if (useParallel && i < 8) {
-        // if for some unexplained reason the above pre-calculation was wrong, update
-        unsigned memT = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
-        if (memT > mem) mem = memT; // if we have unequal LED count use the largest
-      } else
-        mem += BusManager::memUsage(*busConfigs[i]); // includes global buffer
-      if (mem <= MAX_LED_MEMORY) BusManager::add(*busConfigs[i]);
-      delete busConfigs[i];
-      busConfigs[i] = nullptr;
-    }
-    strip.finalizeInit(); // also loads default ledmap if present
+    strip.finalizeInit(); // will create buses and also load default ledmap if present
     BusManager::setBrightness(bri); // fix re-initialised bus' brightness #4005
     if (aligned) strip.makeAutoSegments();
     else strip.fixInvalidSegments();
@@ -563,6 +524,7 @@ void WLED::beginStrip()
   strip.makeAutoSegments();
   strip.setBrightness(0);
   strip.setShowCallback(handleOverlayDraw);
+  doInitBusses = false;
 
   if (turnOnAtBoot) {
     if (briS > 0) bri = briS;
diff --git a/wled00/wled.h b/wled00/wled.h
index d0cee80d2..4459fe6de 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -367,7 +367,7 @@ WLED_GLOBAL bool noWifiSleep _INIT(false);
 WLED_GLOBAL bool force802_3g _INIT(false);
 #endif // WLED_SAVE_RAM
 #ifdef ARDUINO_ARCH_ESP32
-  #if defined(LOLIN_WIFI_FIX) && (defined(ARDUINO_ARCH_ESP32C3) || defined(ARDUINO_ARCH_ESP32S2) || defined(ARDUINO_ARCH_ESP32S3))
+  #if defined(LOLIN_WIFI_FIX) && (defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3))
 WLED_GLOBAL uint8_t txPower _INIT(WIFI_POWER_8_5dBm);
   #else
 WLED_GLOBAL uint8_t txPower _INIT(WIFI_POWER_19_5dBm);
@@ -394,6 +394,9 @@ WLED_GLOBAL byte bootPreset   _INIT(0);                   // save preset to load
 WLED_GLOBAL bool useGlobalLedBuffer _INIT(false); // double buffering disabled on ESP8266
 #else
 WLED_GLOBAL bool useGlobalLedBuffer _INIT(true);  // double buffering enabled on ESP32
+  #ifndef CONFIG_IDF_TARGET_ESP32C3
+WLED_GLOBAL bool useParallelI2S     _INIT(false); // parallel I2S for ESP32
+  #endif
 #endif
 #ifdef WLED_USE_IC_CCT
 WLED_GLOBAL bool cctICused          _INIT(true);  // CCT IC used (Athom 15W bulbs)
diff --git a/wled00/xml.cpp b/wled00/xml.cpp
index 2a19cdfab..79ebf6785 100644
--- a/wled00/xml.cpp
+++ b/wled00/xml.cpp
@@ -289,6 +289,7 @@ void getSettingsJS(byte subPage, Print& settingsScript)
     printSetFormValue(settingsScript,PSTR("FR"),strip.getTargetFps());
     printSetFormValue(settingsScript,PSTR("AW"),Bus::getGlobalAWMode());
     printSetFormCheckbox(settingsScript,PSTR("LD"),useGlobalLedBuffer);
+    printSetFormCheckbox(settingsScript,PSTR("PR"),BusManager::hasParallelOutput());  // get it from bus manager not global variable
 
     unsigned sumMa = 0;
     for (int s = 0; s < BusManager::getNumBusses(); s++) {