diff --git a/wled00/FX.h b/wled00/FX.h
index 53096b7e0..8f2ba95ba 100644
--- a/wled00/FX.h
+++ b/wled00/FX.h
@@ -44,10 +44,17 @@
 #define WLED_FPS         42
 #define FRAMETIME        (1000/WLED_FPS)
 
-/* each segment uses 37 bytes of SRAM memory, so if you're application fails because of
+/* each segment uses 52 bytes of SRAM memory, so if you're application fails because of
   insufficient memory, decreasing MAX_NUM_SEGMENTS may help */
 #define MAX_NUM_SEGMENTS 10
 
+/* How much data bytes all segments combined may allocate */
+#ifdef ESP8266
+#define MAX_SEGMENT_DATA 2048
+#else
+#define MAX_SEGMENT_DATA 8192
+#endif
+
 #define NUM_COLORS       3 /* number of colors per segment */
 #define SEGMENT          _segments[_segment_index]
 #define SEGCOLOR(x)      gamma32(_segments[_segment_index].colors[x])
@@ -221,13 +228,35 @@ class WS2812FX {
     } segment;
 
   // segment runtime parameters
-    typedef struct Segment_runtime { // 16 bytes
+    typedef struct Segment_runtime { // 28 bytes
       unsigned long next_time;
       uint32_t step;
       uint32_t call;
       uint16_t aux0;
       uint16_t aux1;
-      void reset(){next_time = 0; step = 0; call = 0; aux0 = 0; aux1 = 0;};
+      byte* data = nullptr;
+      bool allocateData(uint16_t len){
+        if (data && _dataLen == len) return true; //already allocated
+        deallocateData();
+        if (WS2812FX::_usedSegmentData + len > MAX_SEGMENT_DATA) return false; //not enough memory
+        data = new (std::nothrow) byte[len];
+        if (!data) return false; //allocation failed
+        WS2812FX::_usedSegmentData += len;
+        _dataLen = len;
+        memset(data, 0, len);
+        return true;
+      }
+      void deallocateData(){
+        if (data) {
+          delete[] data;
+        }
+        data = nullptr;
+        WS2812FX::_usedSegmentData -= _dataLen;
+        _dataLen = 0;
+      }
+      void reset(){next_time = 0; step = 0; call = 0; aux0 = 0; aux1 = 0; deallocateData();}
+      private:
+        uint16_t _dataLen = 0;
     } segment_runtime;
 
     WS2812FX() {
@@ -518,6 +547,7 @@ class WS2812FX {
     uint16_t _length, _lengthRaw, _usableCount;
     uint16_t _rand16seed;
     uint8_t _brightness;
+    static uint16_t _usedSegmentData;
 
     void handle_palette(void);
     void fill(uint32_t);
@@ -564,7 +594,8 @@ class WS2812FX {
       // start, stop, speed, intensity, palette, mode, options, 3 unused bytes (group, spacing, opacity), color[]
       { 0, 7, DEFAULT_SPEED, 128, 0, DEFAULT_MODE, NO_OPTIONS, 1, 0, 255, {DEFAULT_COLOR}}
     };
-    segment_runtime _segment_runtimes[MAX_NUM_SEGMENTS]; // SRAM footprint: 16 bytes per element
+    segment_runtime _segment_runtimes[MAX_NUM_SEGMENTS]; // SRAM footprint: 28 bytes per element
+    friend class Segment_runtime;
 };
 
 
diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index 2b7d6ec1d..7fa6eae89 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -473,7 +473,7 @@ void WS2812FX::setSegment(uint8_t n, uint16_t i1, uint16_t i2) {
 
 void WS2812FX::resetSegments() {
   memset(_segments, 0, sizeof(_segments));
-  memset(_segment_runtimes, 0, sizeof(_segment_runtimes));
+  //memset(_segment_runtimes, 0, sizeof(_segment_runtimes));
   _segment_index = 0;
   _segments[0].mode = DEFAULT_MODE;
   _segments[0].colors[0] = DEFAULT_COLOR;
@@ -484,7 +484,9 @@ void WS2812FX::resetSegments() {
   for (uint16_t i = 1; i < MAX_NUM_SEGMENTS; i++)
   {
     _segments[i].colors[0] = color_wheel(i*51);
+    _segment_runtimes[i].reset();
   }
+  _segment_runtimes[0].reset();
 }
 
 void WS2812FX::setIndividual(uint16_t i, uint32_t col)
@@ -862,3 +864,5 @@ uint32_t WS2812FX::gamma32(uint32_t color)
   b = gammaT[b];
   return ((w << 24) | (r << 16) | (g << 8) | (b));
 }
+
+uint16_t WS2812FX::_usedSegmentData = 0;
diff --git a/wled00/wled00.ino b/wled00/wled00.ino
index 0d120292f..6a1a7b072 100644
--- a/wled00/wled00.ino
+++ b/wled00/wled00.ino
@@ -98,7 +98,7 @@
 
 
 //version code in format yymmddb (b = daily build)
-#define VERSION 1912291
+#define VERSION 1912311
 char versionString[] = "0.9.0-b2";