diff --git a/include/hasp_conf.h b/include/hasp_conf.h
index a14b936f..96b88a60 100644
--- a/include/hasp_conf.h
+++ b/include/hasp_conf.h
@@ -85,6 +85,10 @@
 #include "hasp_ota.h"
 #endif
 
+#if HASP_USE_TASMOTA_SLAVE>0
+#include "hasp_slave.h"
+#endif
+
 #endif
 
 #ifndef FPSTR
diff --git a/src/hasp_debug.cpp b/src/hasp_debug.cpp
index 854b9db4..2dae3a19 100644
--- a/src/hasp_debug.cpp
+++ b/src/hasp_debug.cpp
@@ -331,8 +331,10 @@ void debugPreSetup(JsonObject settings)
     if(baudrate >= 9600u) {     /* the baudrates are stored divided by 10 */
 
 #ifdef STM32_CORE_VERSION_MAJOR
-    Serial.setRx(PA3);  // User Serial2
-    Serial.setTx(PA2);
+    #ifndef STM32_SERIAL1   // Define what Serial port to use for log output
+        Serial.setRx(PA3);  // User Serial2
+        Serial.setTx(PA2);
+    #endif
 #endif
         Serial.begin(baudrate); /* prepare for possible serial debug */
         delay(10);
diff --git a/src/hasp_dispatch.cpp b/src/hasp_dispatch.cpp
index bed14991..b605825e 100644
--- a/src/hasp_dispatch.cpp
+++ b/src/hasp_dispatch.cpp
@@ -51,6 +51,8 @@ void dispatchOutput(int output, bool state)
 
 #if defined(ARDUINO_ARCH_ESP32)
         ledcWrite(99, state ? 1023 : 0); // ledChannel and value
+#elif defined(STM32_CORE_VERSION)
+        digitalWrite(HASP_OUTPUT_PIN, state);
 #else
         analogWrite(pin, state ? 1023 : 0);
 #endif
@@ -95,12 +97,6 @@ void dispatchAttribute(String strTopic, const char * payload)
 {
     if(strTopic.startsWith("p[")) {
         dispatchButtonAttribute(strTopic, payload);
-    } else if(strTopic.startsWith(F("output"))) {
-#if defined(ARDUINO_ARCH_ESP8266)
-        uint8_t state = isON(payload) ? HIGH : LOW;
-        digitalWrite(D1, state);
-#endif
-
     } else if(strTopic == F("page")) {
         dispatchPage(payload);
 
@@ -138,9 +134,12 @@ void dispatchPage(String strPageid)
     String strPage((char *)0);
     strPage.reserve(128);
     strPage = haspGetPage();
-#if HASP_USE_MQTT
+#if HASP_USE_MQTT > 0
     mqtt_send_state(F("page"), strPage.c_str());
 #endif
+#if HASP_USE_TASMOTA_SLAVE > 0
+    slave_send_state(F("page"), strPage.c_str());
+#endif
 }
 
 void dispatchClearPage(String strPageid)
@@ -160,11 +159,16 @@ void dispatchDim(String strDimLevel)
     if(strDimLevel.length() != 0) guiSetDim(strDimLevel.toInt());
     dispatchPrintln(F("DIM"), strDimLevel);
 
-#if HASP_USE_MQTT
+#if HASP_USE_MQTT > 0
     char buffer[8];
     itoa(guiGetDim(), buffer, DEC);
     mqtt_send_state(F("dim"), buffer);
 #endif
+#if HASP_USE_TASMOTA_SLAVE > 0
+    char buffer[8];
+    itoa(guiGetDim(), buffer, DEC);
+    slave_send_state(F("dim"), buffer);
+#endif
 }
 
 void dispatchBacklight(String strPayload)
@@ -177,9 +181,13 @@ void dispatchBacklight(String strPayload)
 
     // Return the current state
     strPayload = getOnOff(guiGetBacklight());
-#if HASP_USE_MQTT
+#if HASP_USE_MQTT > 0
     mqtt_send_state(F("light"), strPayload.c_str());
 #endif
+#if HASP_USE_TASMOTA_SLAVE > 0
+    slave_send_state(F("light"), strPayload.c_str());
+#endif
+
 }
 
 void dispatchCommand(String cmnd)
@@ -266,8 +274,10 @@ void dispatchJsonl(char * payload)
 
 void dispatchIdle(const char * state)
 {
-#if HASP_USE_MQTT>0
+#if HASP_USE_MQTT > 0
     mqtt_send_state(F("idle"), state);
+#elif HASP_USE_TASMOTA_SLAVE > 0
+    slave_send_state(F("idle"), state);
 #else
     Log.notice(F("OUT: idle = %s"), state);
 #endif
@@ -276,11 +286,11 @@ void dispatchIdle(const char * state)
 void dispatchReboot(bool saveConfig)
 {
     if(saveConfig) configWriteConfig();
-#if HASP_USE_MQTT>0
+#if HASP_USE_MQTT > 0
     mqttStop(); // Stop the MQTT Client first
 #endif
     debugStop();
-#if HASP_USE_WIFI>0
+#if HASP_USE_WIFI > 0
     wifiStop();
 #endif
     Log.verbose(F("-------------------------------------"));
@@ -294,6 +304,9 @@ void dispatch_button(uint8_t id, const char * event)
 #if HASP_USE_MQTT > 0
     mqtt_send_input(id, event);
 #endif
+#if HASP_USE_TASMOTA_SLAVE
+    slave_send_input(id, event);
+#endif
 }
 
 void dispatchWebUpdate(const char * espOtaUrl)
@@ -308,6 +321,8 @@ void IRAM_ATTR dispatch_obj_attribute_str(uint8_t pageid, uint8_t btnid, const c
 {
 #if HASP_USE_MQTT > 0
     mqtt_send_obj_attribute_str(pageid, btnid, attribute, data);
+#elif HASP_USE_TASMOTA_SLAVE > 0
+    slave_send_obj_attribute_str(pageid, btnid, attribute, data);
 #else
     Log.notice(F("OUT: json = {\"p[%u].b[%u].%s\":\"%s\"}"), pageid, btnid, attribute, data);
 #endif
@@ -356,14 +371,14 @@ void dispatchConfig(const char * topic, const char * payload)
             haspGetConfig(settings);
     }
 
-#if HASP_USE_WIFI
+#if HASP_USE_WIFI > 0
     else if(strcmp_P(topic, PSTR("wifi")) == 0) {
         if(update)
             wifiSetConfig(settings);
         else
             wifiGetConfig(settings);
     }
-#if HASP_USE_MQTT
+#if HASP_USE_MQTT > 0
     else if(strcmp_P(topic, PSTR("mqtt")) == 0) {
         if(update)
             mqttSetConfig(settings);
@@ -371,11 +386,11 @@ void dispatchConfig(const char * topic, const char * payload)
             mqttGetConfig(settings);
     }
 #endif
-#if HASP_USE_TELNET
+#if HASP_USE_TELNET > 0
     //   else if(strcmp_P(topic, PSTR("telnet")) == 0)
     //       telnetGetConfig(settings[F("telnet")]);
 #endif
-#if HASP_USE_MDNS
+#if HASP_USE_MDNS > 0
     else if(strcmp_P(topic, PSTR("mdns")) == 0) {
         if(update)
             mdnsSetConfig(settings);
@@ -383,7 +398,7 @@ void dispatchConfig(const char * topic, const char * payload)
             mdnsGetConfig(settings);
     }
 #endif
-#if HASP_USE_HTTP
+#if HASP_USE_HTTP > 0
     else if(strcmp_P(topic, PSTR("http")) == 0) {
         if(update)
             httpSetConfig(settings);
@@ -397,8 +412,10 @@ void dispatchConfig(const char * topic, const char * payload)
     if(!update) {
         settings.remove(F("pass")); // hide password in output
         size_t size = serializeJson(doc, buffer, sizeof(buffer));
-#if HASP_USE_MQTT
+#if HASP_USE_MQTT > 0
         mqtt_send_state(F("config"), buffer);
+#elif HASP_USE_TASMOTA > 0
+        slave_send_state(F("config"), buffer);
 #else
     Log.notice(F("OUT: config %s = %s"),topic,buffer);
 #endif
diff --git a/src/hasp_gpio.cpp b/src/hasp_gpio.cpp
index 1ab5cefb..4094d7e6 100644
--- a/src/hasp_gpio.cpp
+++ b/src/hasp_gpio.cpp
@@ -7,4 +7,8 @@ void gpioSetup()
     pinMode(D1, OUTPUT);
     pinMode(D2, INPUT_PULLUP);
 #endif
+#if defined(STM32_CORE_VERSION)
+    pinMode(HASP_OUTPUT_PIN, OUTPUT);
+    pinMode(HASP_INPUT_PIN, INPUT_PULLUP);
+#endif
 }
\ No newline at end of file
diff --git a/src/hasp_gui.cpp b/src/hasp_gui.cpp
index 021b890a..3232e7c3 100644
--- a/src/hasp_gui.cpp
+++ b/src/hasp_gui.cpp
@@ -925,6 +925,7 @@ bool guiGetConfig(const JsonObject & settings)
             v.set(calData[i]);
         } else {
             changed = true;
+            tft.setTouch(calData);
         }
         i++;
     }
@@ -935,6 +936,8 @@ bool guiGetConfig(const JsonObject & settings)
         for(uint8_t i = 0; i < 5; i++) {
             array.add(calData[i]);
         }
+        changed = true;
+        tft.setTouch(calData);
     }
 
     if(changed) configOutput(settings);
@@ -983,14 +986,13 @@ bool guiSetConfig(const JsonObject & settings)
         }
 
         if(calData[0] != 0 || calData[1] != 65535 || calData[2] != 0 || calData[3] != 65535) {
-            Log.trace(F("calData set [%u, %u, %u, %u, %u]"), calData[0], calData[1], calData[2], calData[3],
-                      calData[4]);
+            Log.trace(F("calData set [%u, %u, %u, %u, %u]"), calData[0], calData[1], calData[2], calData[3],calData[4]);
             oobeSetAutoCalibrate(false);
         } else {
             Log.notice(F("First Touch Calibration enabled"));
             oobeSetAutoCalibrate(true);
         }
-
+        if (status) tft.setTouch(calData);
         changed |= status;
     }
 
diff --git a/src/hasp_slave.cpp b/src/hasp_slave.cpp
new file mode 100644
index 00000000..0fc479ef
--- /dev/null
+++ b/src/hasp_slave.cpp
@@ -0,0 +1,147 @@
+/*********************
+ *      INCLUDES
+ *********************/
+#include "hasp_slave.h"
+#include <Arduino.h>
+#include "ArduinoJson.h"
+#include "ArduinoLog.h"
+#include "hasp_dispatch.h"
+#include "hasp_gui.h"
+#include "tasmotaSlave.h"
+
+// set RX and TX pins
+HardwareSerial Serial2(PD6, PD5);
+TasmotaSlave slave(&Serial2);
+
+#define slaveNodeTopic "hasp/"
+
+unsigned long updateLedTimer = 0;  // timer in msec for tele mqtt send
+unsigned long updatLedPeriod = 1000;  // timer in msec for tele mqtt send
+
+bool ledstate = false;
+
+
+void IRAM_ATTR slave_send_state(const __FlashStringHelper * subtopic, const char * payload)
+{
+  // page = 0
+  // p[0].b[0].attr = abc
+  // dim = 100
+  // idle = 0/1
+  // light = 0/1
+  // brightness = 100
+
+  char cBuffer[strlen(payload) + 64];
+  memset(cBuffer, 0 ,sizeof(cBuffer));
+  snprintf(cBuffer, sizeof(cBuffer), PSTR("publish %sstate/%s %s"), slaveNodeTopic ,subtopic, payload);
+  slave.ExecuteCommand((char*)cBuffer);
+
+  // Log after char buffers are cleared
+  Log.notice(F("TAS PUB: %sstate/%S = %s"), slaveNodeTopic, subtopic, payload);
+}
+
+void IRAM_ATTR slave_send_obj_attribute_str(uint8_t pageid, uint8_t btnid, const char * attribute, const char * data)
+{
+  char cBuffer[192];
+  memset(cBuffer, 0 ,sizeof(cBuffer));
+  snprintf_P(cBuffer, sizeof(cBuffer), PSTR("publish %sstate/json {\"p[%u].b[%u].%s\":\"%s\"}"), slaveNodeTopic, pageid, btnid, attribute, data);
+  slave.ExecuteCommand((char*)cBuffer);
+  // Log after char buffers are cleared
+  Log.notice(F("TAS PUB: %sstate/json = {\"p[%u].b[%u].%s\":\"%s\"}"), slaveNodeTopic, pageid, btnid, attribute, data);
+}
+
+void slave_send_input(uint8_t id, const char * payload)
+{
+  // Log.trace(F("MQTT TST: %sstate/input%u = %s"), mqttNodeTopic, id, payload); // to be removed
+
+  char cBuffer[strlen(payload) + 64];
+  memset(cBuffer, 0 ,sizeof(cBuffer));
+  snprintf_P(cBuffer, sizeof(cBuffer), PSTR("publish %sstate/input%u %s"), slaveNodeTopic, id, payload);
+  slave.ExecuteCommand((char*)cBuffer);
+
+  // Log after char buffers are cleared
+  Log.notice(F("TAS PUB: %sstate/input%u = %s"), slaveNodeTopic, id, payload);
+}
+
+// void slave_send_statusupdate()
+// { // Periodically publish a JSON string indicating system status
+//     char data[3 * 128];
+//     {
+//         char buffer[128];
+//         snprintf_P(data, sizeof(data), PSTR("{\"status\":\"available\",\"version\":\"%s\",\"uptime\":%lu,"),
+//                    haspGetVersion().c_str(), long(millis() / 1000));
+//         strcat(buffer, data);
+//         snprintf_P(buffer, sizeof(buffer), PSTR("\"heapFree\":%u,\"heapFrag\":%u,\"espCore\":\"%s\","),
+//                    ESP.getFreeHeap(), halGetHeapFragmentation(), halGetCoreVersion().c_str());
+//         strcat(data, buffer);
+//         snprintf_P(buffer, sizeof(buffer), PSTR("\"espCanUpdate\":\"false\",\"page\":%u,\"numPages\":%u}"),
+//                    haspGetPage(), (HASP_NUM_PAGES));
+//         strcat(data, buffer);
+//         snprintf_P(buffer, sizeof(buffer), PSTR("\"tftDriver\":\"%s\",\"tftWidth\":%u,\"tftHeight\":%u}"),
+//                    tftDriverName().c_str(), (TFT_WIDTH), (TFT_HEIGHT));
+//         strcat(data, buffer);
+//     }
+//     slave_send_state(F("statusupdate"), data);
+//     debugLastMillis = millis();
+// }
+
+void TASMO_DATA_RECEIVE(char *data)
+{
+  Log.verbose(F("TAS: Slave IN [%s]"), data);
+
+  char slvCmd[20],slvVal[60];
+  memset(slvCmd, 0 ,sizeof(slvCmd));
+  memset(slvVal, 0 ,sizeof(slvVal));
+  sscanf(data,"%s %s", slvCmd, slvVal);
+
+  Log.verbose(F("TAS: Cmd[%s] Val[%s]"), slvCmd, slvVal);
+
+  if (!strcmp(slvCmd, "calData")){
+    if (strlen(slvVal) != 0) {
+      char cBuffer[strlen(slvVal) + 24];
+      memset(cBuffer, 0 ,sizeof(cBuffer));
+      snprintf_P(cBuffer, sizeof(cBuffer), PSTR("{'calibration':[%s]}"), slvVal);
+      dispatchConfig("gui",cBuffer);
+    } else {
+      dispatchConfig("gui","");
+    }
+  } else if (!strcmp(slvCmd, "jsonl")) {
+    dispatchJsonl(slvVal);
+  } else {
+    char cBuffer[strlen(data)+1];
+    snprintf_P(cBuffer, sizeof(cBuffer), PSTR("%s=%s"), slvCmd, slvVal);
+    dispatchCommand(cBuffer);
+  }
+}
+
+void TASMO_EVERY_SECOND(void)
+{
+  if (ledstate) {
+    ledstate = false;
+    digitalWrite(HASP_OUTPUT_PIN, 1);
+    // Log.verbose(F("LED OFF"));
+  } else {
+    ledstate = true;
+    digitalWrite(HASP_OUTPUT_PIN, 0);
+    // Log.verbose(F("LED ON"));
+  }
+}
+
+void slaveSetup()
+{
+  Serial2.begin(HASP_SLAVE_SPEED);
+  // slave.attach_FUNC_EVERY_SECOND(TASMO_EVERY_SECOND);
+  slave.attach_FUNC_COMMAND_SEND(TASMO_DATA_RECEIVE);
+
+  Log.notice(F("TAS: HASP SLAVE LOADED"));
+}
+
+void slaveLoop(void)
+{
+  slave.loop();
+  // demo code to run the led without tasmota
+  // if ((millis() - updateLedTimer) >= updatLedPeriod) {
+  //     updateLedTimer = millis();
+  //     TASMO_EVERY_SECOND();
+  // }
+
+}
\ No newline at end of file
diff --git a/src/hasp_slave.h b/src/hasp_slave.h
new file mode 100644
index 00000000..89db9964
--- /dev/null
+++ b/src/hasp_slave.h
@@ -0,0 +1,20 @@
+#ifndef HASP_SLAVE_H
+#define HASP_SLAVE_H
+
+#include "ArduinoJson.h"
+
+#define HASP_SLAVE_SPEED 38400
+
+void TASMO_EVERY_SECOND(void);
+void TASMO_DATA_RECEIVE(char *data);
+void IRAM_ATTR slave_send_state(const __FlashStringHelper * subtopic, const char * payload);
+void IRAM_ATTR slave_send_obj_attribute_str(uint8_t pageid, uint8_t btnid, const char * attribute, const char * data);
+void slave_send_input(uint8_t id, const char * payload);
+void slave_send_statusupdate();
+
+
+void slaveSetup();
+void slaveLoop(void);
+
+
+#endif
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 5bb44c72..020416c5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -80,6 +80,10 @@ void setup()
     buttonSetup();
 #endif
 
+#if HASP_USE_TASMOTA_SLAVE
+    slaveSetup();
+#endif
+
     mainLastLoopTime = millis() - 1000; // reset loop counter
 }
 
@@ -132,6 +136,10 @@ void loop()
 
 #endif // WIFI
 
+#if HASP_USE_TASMOTA_SLAVE
+    slaveLoop();
+#endif // TASMOTASLAVE
+
     // Every Second Loop
     if(millis() - mainLastLoopTime >= 1000) {
         /* Run Every Second */