diff --git a/Arduino/McLighting/request_handlers.h b/Arduino/McLighting/request_handlers.h
index e4284a3..26e84fc 100644
--- a/Arduino/McLighting/request_handlers.h
+++ b/Arduino/McLighting/request_handlers.h
@@ -1,918 +1,919 @@
-// ***************************************************************************
-// Request handlers
-// ***************************************************************************
-void getArgs() {
-  if (server.arg("rgb") != "") {
-    uint32_t rgb = (uint32_t) strtol(server.arg("rgb").c_str(), NULL, 16);
-    main_color.red = ((rgb >> 16) & 0xFF);
-    main_color.green = ((rgb >> 8) & 0xFF);
-    main_color.blue = ((rgb >> 0) & 0xFF);
-  } else {
-    main_color.red = server.arg("r").toInt();
-    main_color.green = server.arg("g").toInt();
-    main_color.blue = server.arg("b").toInt();
-  }
-  ws2812fx_speed = constrain(server.arg("s").toInt(), 0, 255);
-  if (server.arg("s") == "") {
-    ws2812fx_speed = 196;
-  }
-
-  if (server.arg("m") != "") {
-    ws2812fx_mode = constrain(server.arg("m").toInt(), 0, strip.getModeCount() - 1);
-  }
-
-  main_color.red = constrain(main_color.red, 0, 255);
-  main_color.green = constrain(main_color.green, 0, 255);
-  main_color.blue = constrain(main_color.blue, 0, 255);
-
-  DBG_OUTPUT_PORT.print("Mode: ");
-  DBG_OUTPUT_PORT.print(mode);
-  DBG_OUTPUT_PORT.print(", Color: ");
-  DBG_OUTPUT_PORT.print(main_color.red);
-  DBG_OUTPUT_PORT.print(", ");
-  DBG_OUTPUT_PORT.print(main_color.green);
-  DBG_OUTPUT_PORT.print(", ");
-  DBG_OUTPUT_PORT.print(main_color.blue);
-  DBG_OUTPUT_PORT.print(", Speed:");
-  DBG_OUTPUT_PORT.print(ws2812fx_speed);
-  DBG_OUTPUT_PORT.print(", Brightness:");
-  DBG_OUTPUT_PORT.println(brightness);
-}
-
-
-long convertSpeed(int mcl_speed) {
-  long ws2812_speed = mcl_speed * 256;
-  ws2812_speed = SPEED_MAX - ws2812_speed;
-  if (ws2812_speed < SPEED_MIN) {
-    ws2812_speed = SPEED_MIN;
-  }
-  if (ws2812_speed > SPEED_MAX) {
-    ws2812_speed = SPEED_MAX;
-  }
-  return ws2812_speed;
-}
-
-
-// ***************************************************************************
-// Handler functions for WS and MQTT
-// ***************************************************************************
-void handleSetMainColor(uint8_t * mypayload) {
-  // decode rgb data
-  uint32_t rgb = (uint32_t) strtol((const char *) &mypayload[1], NULL, 16);
-  main_color.red = ((rgb >> 16) & 0xFF);
-  main_color.green = ((rgb >> 8) & 0xFF);
-  main_color.blue = ((rgb >> 0) & 0xFF);
-  strip.setColor(main_color.red, main_color.green, main_color.blue);
-}
-
-void handleSetAllMode(uint8_t * mypayload) {
-  // decode rgb data
-  uint32_t rgb = (uint32_t) strtol((const char *) &mypayload[1], NULL, 16);
-
-  main_color.red = ((rgb >> 16) & 0xFF);
-  main_color.green = ((rgb >> 8) & 0xFF);
-  main_color.blue = ((rgb >> 0) & 0xFF);
-
-  for (int i = 0; i < strip.numPixels(); i++) {
-    strip.setPixelColor(i, main_color.red, main_color.green, main_color.blue);
-  }
-  strip.show();
-  DBG_OUTPUT_PORT.printf("WS: Set all leds to main color: [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
-  exit_func = true;
-  mode = ALL;
-}
-
-void handleSetSingleLED(uint8_t * mypayload, uint8_t firstChar = 0) {
-  // decode led index
-  char templed[3];
-  strncpy (templed, (const char *) &mypayload[firstChar], 2 );
-  uint8_t led = atoi(templed);
-
-  DBG_OUTPUT_PORT.printf("led value: [%i]. Entry threshold: <= [%i] (=> %s)\n", led, strip.numPixels(), mypayload );
-  if (led <= strip.numPixels()) {
-    char redhex[3];
-    char greenhex[3];
-    char bluehex[3];
-    strncpy (redhex, (const char *) &mypayload[2 + firstChar], 2 );
-    strncpy (greenhex, (const char *) &mypayload[4 + firstChar], 2 );
-    strncpy (bluehex, (const char *) &mypayload[6 + firstChar], 2 );
-    ledstates[led].red =   strtol(redhex, NULL, 16);
-    ledstates[led].green = strtol(greenhex, NULL, 16);
-    ledstates[led].blue =  strtol(bluehex, NULL, 16);
-    DBG_OUTPUT_PORT.printf("rgb.red: [%s] rgb.green: [%s] rgb.blue: [%s]\n", redhex, greenhex, bluehex);
-    DBG_OUTPUT_PORT.printf("rgb.red: [%i] rgb.green: [%i] rgb.blue: [%i]\n", strtol(redhex, NULL, 16), strtol(greenhex, NULL, 16), strtol(bluehex, NULL, 16));
-    DBG_OUTPUT_PORT.printf("WS: Set single led [%i] to [%i] [%i] [%i] (%s)!\n", led, ledstates[led].red, ledstates[led].green, ledstates[led].blue, mypayload);
-
-
-    strip.setPixelColor(led, ledstates[led].red, ledstates[led].green, ledstates[led].blue);
-    strip.show();
-  }
-  exit_func = true;
-  mode = CUSTOM;
-}
-
-void handleSetDifferentColors(uint8_t * mypayload) {
-  uint8_t* nextCommand = 0;
-  nextCommand = (uint8_t*) strtok((char*) mypayload, "+");
-  while (nextCommand) {
-    handleSetSingleLED(nextCommand, 0);
-    nextCommand = (uint8_t*) strtok(NULL, "+");
-  }
-}
-
-void handleRangeDifferentColors(uint8_t * mypayload) {
-  uint8_t* nextCommand = 0;
-  nextCommand = (uint8_t*) strtok((char*) mypayload, "R");
-  // While there is a range to process R0110<00ff00>
-
-  while (nextCommand) {
-    // Loop for each LED.
-    char startled[3] = { 0, 0, 0 };
-    char endled[3] = { 0, 0, 0 };
-    char colorval[7] = { 0, 0, 0, 0, 0, 0, 0 };
-    strncpy ( startled, (const char *) &nextCommand[0], 2 );
-    strncpy ( endled, (const char *) &nextCommand[2], 2 );
-    strncpy ( colorval, (const char *) &nextCommand[4], 6 );
-    int rangebegin = atoi(startled);
-    int rangeend = atoi(endled);
-    DBG_OUTPUT_PORT.printf("Setting RANGE from [%i] to [%i] as color [%s] \n", rangebegin, rangeend, colorval);
-
-    while ( rangebegin <= rangeend ) {
-      char rangeData[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-      if ( rangebegin < 10 ) {
-        // Create the valid 'nextCommand' structure
-        sprintf(rangeData, "0%d%s", rangebegin, colorval);
-      }
-      if ( rangebegin >= 10 ) {
-        // Create the valid 'nextCommand' structure
-        sprintf(rangeData, "%d%s", rangebegin, colorval);
-      }
-      // Set one LED
-      handleSetSingleLED((uint8_t*) rangeData, 0);
-      rangebegin++;
-    }
-
-    // Next Range at R
-    nextCommand = (uint8_t*) strtok(NULL, "R");
-  }
-}
-
-void setModeByStateString(String saved_state_string) {
-  String str_mode = getValue(saved_state_string, '|', 1);
-  mode = static_cast<MODE>(str_mode.toInt());
-  String str_ws2812fx_mode = getValue(saved_state_string, '|', 2);
-  ws2812fx_mode = str_ws2812fx_mode.toInt();
-  String str_ws2812fx_speed = getValue(saved_state_string, '|', 3);
-  ws2812fx_speed = str_ws2812fx_speed.toInt();
-  String str_brightness = getValue(saved_state_string, '|', 4);
-  brightness = str_brightness.toInt();
-  String str_red = getValue(saved_state_string, '|', 5);
-  main_color.red = str_red.toInt();
-  String str_green = getValue(saved_state_string, '|', 6);
-  main_color.green = str_green.toInt();
-  String str_blue = getValue(saved_state_string, '|', 7);
-  main_color.blue = str_blue.toInt();
-
-  DBG_OUTPUT_PORT.printf("ws2812fx_mode: %d\n", ws2812fx_mode);
-  DBG_OUTPUT_PORT.printf("ws2812fx_speed: %d\n", ws2812fx_speed);
-  DBG_OUTPUT_PORT.printf("brightness: %d\n", brightness);
-  DBG_OUTPUT_PORT.printf("main_color.red: %d\n", main_color.red);
-  DBG_OUTPUT_PORT.printf("main_color.green: %d\n", main_color.green);
-  DBG_OUTPUT_PORT.printf("main_color.blue: %d\n", main_color.blue);
-
-  strip.setMode(ws2812fx_mode);
-  strip.setSpeed(convertSpeed(ws2812fx_speed));
-  strip.setBrightness(brightness);
-  strip.setColor(main_color.red, main_color.green, main_color.blue);
-}
-
-void handleSetNamedMode(String str_mode) {
-  exit_func = true;
-
-  if (str_mode.startsWith("=off")) {
-    mode = OFF; 
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = false;
-    #endif
-  }
-  if (str_mode.startsWith("=all")) {
-    mode = ALL;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=wipe")) {
-    mode = WIPE;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=rainbow")) {
-    mode = RAINBOW;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=rainbowCycle")) {
-    mode = RAINBOWCYCLE;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=theaterchase")) {
-    mode = THEATERCHASE;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=twinkleRandom")) {
-    mode = TWINKLERANDOM;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=theaterchaseRainbow")) {
-    mode = THEATERCHASERAINBOW;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-  if (str_mode.startsWith("=tv")) {
-    mode = TV;
-    #ifdef ENABLE_HOMEASSISTANT
-      stateOn = true;
-    #endif
-  }
-}
-
-void handleSetWS2812FXMode(uint8_t * mypayload) {
-  mode = HOLD;
-  uint8_t ws2812fx_mode = (uint8_t) strtol((const char *) &mypayload[1], NULL, 10);
-  ws2812fx_mode = constrain(ws2812fx_mode, 0, 255);
-  strip.setColor(main_color.red, main_color.green, main_color.blue);
-  strip.setMode(ws2812fx_mode);
-  strip.start();
-}
-
-char* listStatusJSON() {
-  char json[255];
-
-  char modeName[30];
-  strncpy_P(modeName, (PGM_P)strip.getModeName(strip.getMode()), sizeof(modeName)); // copy from progmem
-
-  snprintf(json, sizeof(json), "{\"mode\":%d, \"ws2812fx_mode\":%d, \"ws2812fx_mode_name\":\"%s\", \"speed\":%d, \"brightness\":%d, \"color\":[%d, %d, %d]}",
-           mode, strip.getMode(), modeName, ws2812fx_speed, brightness, main_color.red, main_color.green, main_color.blue);
-  return json;
-}
-
-void getStatusJSON() {
-  server.send ( 200, "application/json", listStatusJSON() );
-}
-
-String listModesJSON() {
-  String modes = "[";
-  for (uint8_t i = 0; i < strip.getModeCount(); i++) {
-    modes += "{\"mode\":";
-    modes += i;
-    modes += ", \"name\":\"";
-    modes += strip.getModeName(i);
-    modes += "\"},";
-  }
-  modes += "{}]";
-  return modes;
-}
-
-void getModesJSON() {
-  server.send ( 200, "application/json", listModesJSON() );
-}
-
-#ifdef ENABLE_HOMEASSISTANT
-/********************************** START SEND STATE*****************************************/
-void sendState() {
-  StaticJsonBuffer<JSON_OBJECT_SIZE(10)> jsonBuffer;
-
-  JsonObject& root = jsonBuffer.createObject();
-
-  root["state"] = (stateOn) ? on_cmd : off_cmd;
-  JsonObject& color = root.createNestedObject("color");
-  color["r"] = main_color.red;
-  color["g"] = main_color.green;
-  color["b"] = main_color.blue;
-
-  root["brightness"] = brightness;
-
-  char modeName[30];
-  strncpy_P(modeName, (PGM_P)strip.getModeName(strip.getMode()), sizeof(modeName)); // copy from progmem
-  root["effect"] = modeName;
-
-
-  char buffer[root.measureLength() + 1];
-  root.printTo(buffer, sizeof(buffer));
-
-  mqtt_client.publish(mqtt_ha_state_out.c_str(), buffer, true);
-}
-#endif
-
-// ***************************************************************************
-// HTTP request handlers
-// ***************************************************************************
-void handleMinimalUpload() {
-  char temp[1500];
-
-  snprintf ( temp, 1500,
-             "<!DOCTYPE html>\
-    <html>\
-      <head>\
-        <title>ESP8266 Upload</title>\
-        <meta charset=\"utf-8\">\
-        <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\
-        <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\
-      </head>\
-      <body>\
-        <form action=\"/edit\" method=\"post\" enctype=\"multipart/form-data\">\
-          <input type=\"file\" name=\"data\">\
-          <input type=\"text\" name=\"path\" value=\"/\">\
-          <button>Upload</button>\
-         </form>\
-      </body>\
-    </html>"
-           );
-  server.send ( 200, "text/html", temp );
-}
-
-void handleNotFound() {
-  String message = "File Not Found\n\n";
-  message += "URI: ";
-  message += server.uri();
-  message += "\nMethod: ";
-  message += ( server.method() == HTTP_GET ) ? "GET" : "POST";
-  message += "\nArguments: ";
-  message += server.args();
-  message += "\n";
-  for ( uint8_t i = 0; i < server.args(); i++ ) {
-    message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n";
-  }
-  server.send ( 404, "text/plain", message );
-}
-
-// automatic cycling
-Ticker autoTicker;
-int autoCount = 0;
-
-void autoTick() {
-  strip.setColor(autoParams[autoCount][0]);
-  strip.setSpeed(convertSpeed((uint8_t)autoParams[autoCount][1]));
-  strip.setMode((uint8_t)autoParams[autoCount][2]);
-  autoTicker.once((float)autoParams[autoCount][3], autoTick);
-  DBG_OUTPUT_PORT.print("autoTick ");
-  DBG_OUTPUT_PORT.println(autoCount);
-
-  autoCount++;
-  if (autoCount >= (sizeof(autoParams) / sizeof(autoParams[0]))) autoCount = 0;
-}
-
-void handleAutoStart() {
-  autoCount = 0;
-  autoTick();
-  strip.start();
-}
-
-void handleAutoStop() {
-  autoTicker.detach();
-  strip.stop();
-}
-
-// ***************************************************************************
-// WS request handlers
-// ***************************************************************************
-void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t lenght) {
-  switch (type) {
-    case WStype_DISCONNECTED:
-      DBG_OUTPUT_PORT.printf("WS: [%u] Disconnected!\n", num);
-      break;
-
-    case WStype_CONNECTED: {
-        IPAddress ip = webSocket.remoteIP(num);
-        DBG_OUTPUT_PORT.printf("WS: [%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
-
-        // send message to client
-        webSocket.sendTXT(num, "Connected");
-      }
-      break;
-
-    case WStype_TEXT:
-      DBG_OUTPUT_PORT.printf("WS: [%u] get Text: %s\n", num, payload);
-
-      // # ==> Set main color
-      if (payload[0] == '#') {
-        handleSetMainColor(payload);
-        DBG_OUTPUT_PORT.printf("Set main color to: [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
-        webSocket.sendTXT(num, "OK");
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-
-      // ? ==> Set speed
-      if (payload[0] == '?') {
-        uint8_t d = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
-        ws2812fx_speed = constrain(d, 0, 255);
-        strip.setSpeed(convertSpeed(ws2812fx_speed));
-        DBG_OUTPUT_PORT.printf("WS: Set speed to: [%u]\n", ws2812fx_speed);
-        webSocket.sendTXT(num, "OK");
-      }
-
-      // % ==> Set brightness
-      if (payload[0] == '%') {
-        uint8_t b = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
-        brightness = ((b >> 0) & 0xFF);
-        DBG_OUTPUT_PORT.printf("WS: Set brightness to: [%u]\n", brightness);
-        strip.setBrightness(brightness);
-        webSocket.sendTXT(num, "OK");
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-
-      // * ==> Set main color and light all LEDs (Shortcut)
-      if (payload[0] == '*') {
-        handleSetAllMode(payload);
-        webSocket.sendTXT(num, "OK");
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-
-      // ! ==> Set single LED in given color
-      if (payload[0] == '!') {
-        handleSetSingleLED(payload, 1);
-        webSocket.sendTXT(num, "OK");
-      }
-
-      // + ==> Set multiple LED in the given colors
-      if (payload[0] == '+') {
-        handleSetDifferentColors(payload);
-        webSocket.sendTXT(num, "OK");
-      }
-
-      // + ==> Set range of LEDs in the given color
-      if (payload[0] == 'R') {
-        handleRangeDifferentColors(payload);
-        webSocket.sendTXT(num, "OK");
-      }
-
-      // = ==> Activate named mode
-      if (payload[0] == '=') {
-        // we get mode data
-        String str_mode = String((char *) &payload[0]);
-
-        handleSetNamedMode(str_mode);
-
-        DBG_OUTPUT_PORT.printf("Activated mode [%u]!\n", mode);
-        webSocket.sendTXT(num, "OK");
-        #ifdef ENABLE_HOMEASSISTANT
-          sendState();
-        #endif
-      }
-
-      // $ ==> Get status Info.
-      if (payload[0] == '$') {
-        DBG_OUTPUT_PORT.printf("Get status info.");
-
-        String json = listStatusJSON();
-        DBG_OUTPUT_PORT.println(json);
-        webSocket.sendTXT(num, json);
-      }
-
-      // ~ ==> Get WS2812 modes.
-      if (payload[0] == '~') {
-        DBG_OUTPUT_PORT.printf("Get WS2812 modes.");
-
-        String json = listModesJSON();
-        DBG_OUTPUT_PORT.println(json);
-        webSocket.sendTXT(num, json);
-      }
-
-      // / ==> Set WS2812 mode.
-      if (payload[0] == '/') {
-        handleSetWS2812FXMode(payload);
-        webSocket.sendTXT(num, "OK");
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-
-      // start auto cycling
-      if (strcmp((char *)payload, "start") == 0 ) {
-        handleAutoStart();
-        webSocket.sendTXT(num, "OK");
-      }
-
-      // stop auto cycling
-      if (strcmp((char *)payload, "stop") == 0 ) {
-        handleAutoStop();
-        webSocket.sendTXT(num, "OK");
-      }
-      break;
-  }
-}
-
-void checkForRequests() {
-  webSocket.loop();
-  server.handleClient();
-  #ifdef ENABLE_MQTT
-  mqtt_client.loop();
-  #endif
-}
-
-
-// ***************************************************************************
-// MQTT callback / connection handler
-// ***************************************************************************
-#ifdef ENABLE_MQTT
-
-  #ifdef ENABLE_HOMEASSISTANT
-
-     void temp2rgb(unsigned int kelvin) {
-      int tmp_internal = kelvin / 100.0;
-    
-      // red
-      if (tmp_internal <= 66) {
-        main_color.red = 255;
-      } else {
-        float tmp_red = 329.698727446 * pow(tmp_internal - 60, -0.1332047592);
-        if (tmp_red < 0) {
-          main_color.red = 0;
-        } else if (tmp_red > 255) {
-          main_color.red = 255;
-        } else {
-          main_color.red = tmp_red;
-        }
-      }
-    
-      // green
-      if (tmp_internal <= 66) {
-        float tmp_green = 99.4708025861 * log(tmp_internal) - 161.1195681661;
-        if (tmp_green < 0) {
-          main_color.green = 0;
-        } else if (tmp_green > 255) {
-          main_color.green = 255;
-        } else {
-          main_color.green = tmp_green;
-        }
-      } else {
-        float tmp_green = 288.1221695283 * pow(tmp_internal - 60, -0.0755148492);
-        if (tmp_green < 0) {
-          main_color.green = 0;
-        } else if (tmp_green > 255) {
-          main_color.green = 255;
-        } else {
-          main_color.green = tmp_green;
-        }
-      }
-    
-      // blue
-      if (tmp_internal >= 66) {
-        main_color.blue = 255;
-      } else if (tmp_internal <= 19) {
-        main_color.blue = 0;
-      } else {
-        float tmp_blue = 138.5177312231 * log(tmp_internal - 10) - 305.0447927307;
-        if (tmp_blue < 0) {
-          main_color.blue = 0;
-        } else if (tmp_blue > 255) {
-          main_color.blue = 255;
-        } else {
-          main_color.blue = tmp_blue;
-        }
-      }
-    
-      //handleSetWS2812FXMode((uint8_t *) "/0");
-      strip.setColor(main_color.red, main_color.green, main_color.blue);
-      strip.start();
-    
-    }
-    
-    bool processJson(char* message) {
-      StaticJsonBuffer<JSON_OBJECT_SIZE(10)> jsonBuffer;
-    
-      JsonObject& root = jsonBuffer.parseObject(message);
-    
-      if (!root.success()) {
-        Serial.println("parseObject() failed");
-        return false;
-      }
-    
-      if (root.containsKey("state")) {
-        if (strcmp(root["state"], on_cmd) == 0 and !(animation_on)) {
-          stateOn = true;
-          mode = ALL;
-          strip.setColor(main_color.red, main_color.green, main_color.blue);
-          strip.start();
-        }
-        else if (strcmp(root["state"], off_cmd) == 0) {
-          stateOn = false;
-          mode = OFF;
-          animation_on = false;
-          strip.start();
-        }
-      }
-    
-      if (root.containsKey("color")) {
-        main_color.red = root["color"]["r"];
-        main_color.green = root["color"]["g"];
-        main_color.blue = root["color"]["b"];
-        //handleSetWS2812FXMode((uint8_t *) "/0");
-        strip.setColor(main_color.red, main_color.green, main_color.blue);
-        strip.start();
-      }
-    
-      if (root.containsKey("color_temp")) {
-        //temp comes in as mireds, need to convert to kelvin then to RGB
-        int color_temp = root["color_temp"];
-        unsigned int kelvin  = 1000000 / color_temp;
-    
-        temp2rgb(kelvin);
-      }
-    
-      if (root.containsKey("brightness")) {
-        const char * brightness_json = root["brightness"];
-        uint8_t b = (uint8_t) strtol((const char *) &brightness_json[0], NULL, 10);
-        brightness = constrain(b, 0, 255);
-        strip.setBrightness(brightness);
-      }
-      
-      if (root.containsKey("effect")) {
-        animation_on = true;
-        effectString = String((const char *)root["effect"]);
-
-        for (uint8_t i = 0; i < strip.getModeCount(); i++) {
-          if(String(strip.getModeName(i)) == effectString) {
-            mode = HOLD;
-            strip.setColor(main_color.red, main_color.green, main_color.blue);
-            strip.setMode(i);
-            strip.start();
-            break;
-          }
-        }
-      }
-    
-      return true;
-    }
-  #endif
-  
-  void mqtt_callback(char* topic, byte* payload_in, unsigned int length) {
-    uint8_t * payload = (uint8_t *)malloc(length + 1);
-    memcpy(payload, payload_in, length);
-    payload[length] = NULL;
-    DBG_OUTPUT_PORT.printf("MQTT: Message arrived [%s]\n", payload);
-
-    #ifdef ENABLE_HOMEASSISTANT
-      if (strcmp(topic, mqtt_ha_state_in.c_str()) == 0) {
-        if (!processJson((char*)payload)) {
-          return;
-        }
-        sendState();
-    
-      } else if (strcmp(topic, mqtt_ha_speed.c_str()) == 0) {
-        uint8_t d = (uint8_t) strtol((const char *) &payload[0], NULL, 10);
-        ws2812fx_speed = constrain(d, 0, 255);
-        strip.setSpeed(convertSpeed(ws2812fx_speed));
-    
-      } else if (strcmp(topic, (char *)mqtt_intopic) == 0) {
-    #endif
-  
-      // # ==> Set main color
-      if (payload[0] == '#') {
-        handleSetMainColor(payload);
-        DBG_OUTPUT_PORT.printf("MQTT: Set main color to [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-  
-      // ? ==> Set speed
-      if (payload[0] == '?') {
-        uint8_t d = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
-        ws2812fx_speed = constrain(d, 0, 255);
-        strip.setSpeed(convertSpeed(ws2812fx_speed));
-        DBG_OUTPUT_PORT.printf("MQTT: Set speed to [%u]\n", ws2812fx_speed);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-      }
-  
-      // % ==> Set brightness
-      if (payload[0] == '%') {
-        uint8_t b = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
-        brightness = constrain(b, 0, 255);
-        strip.setBrightness(brightness);
-        DBG_OUTPUT_PORT.printf("MQTT: Set brightness to [%u]\n", brightness);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-  
-      // * ==> Set main color and light all LEDs (Shortcut)
-      if (payload[0] == '*') {
-        handleSetAllMode(payload);
-        DBG_OUTPUT_PORT.printf("MQTT: Set main color and light all LEDs [%s]\n", payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-  
-      // ! ==> Set single LED in given color
-      if (payload[0] == '!') {
-        handleSetSingleLED(payload, 1);
-        DBG_OUTPUT_PORT.printf("MQTT: Set single LED in given color [%s]\n", payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-      }
-  
-      // + ==> Set multiple LED in the given colors
-      if (payload[0] == '+') {
-        handleSetDifferentColors(payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-      }
-  
-      // R ==> Set range of LEDs in the given colors
-      if (payload[0] == 'R') {
-        handleRangeDifferentColors(payload);
-        DBG_OUTPUT_PORT.printf("MQTT: Set range of LEDS to single color: [%s]\n", payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-      }
-  
-      // = ==> Activate named mode
-      if (payload[0] == '=') {
-        String str_mode = String((char *) &payload[0]);
-        handleSetNamedMode(str_mode);
-        DBG_OUTPUT_PORT.printf("MQTT: Activate named mode [%s]\n", payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-        #ifdef ENABLE_HOMEASSISTANT
-          sendState();
-        #endif
-      }
-  
-      // $ ==> Get status Info.
-      if (payload[0] == '$') {
-        DBG_OUTPUT_PORT.printf("MQTT: Get status info.\n");
-        DBG_OUTPUT_PORT.println("MQTT: Out: " + String(listStatusJSON()));
-        mqtt_client.publish(mqtt_outtopic, listStatusJSON());
-      }
-  
-      // ~ ==> Get WS2812 modes.
-      // TODO: Fix this, doesn't return anything. Too long?
-      // Hint: https://github.com/knolleary/pubsubclient/issues/110
-      if (payload[0] == '~') {
-        DBG_OUTPUT_PORT.printf("MQTT: Get WS2812 modes.\n");
-        DBG_OUTPUT_PORT.printf("Error: Not implemented. Message too large for pubsubclient.");
-        mqtt_client.publish(mqtt_outtopic, "ERROR: Not implemented. Message too large for pubsubclient.");
-        //String json_modes = listModesJSON();
-        //DBG_OUTPUT_PORT.printf(json_modes.c_str());
-  
-        //int res = mqtt_client.publish(mqtt_outtopic, json_modes.c_str(), json_modes.length());
-        //DBG_OUTPUT_PORT.printf("Result: %d / %d", res, json_modes.length());
-      }
-  
-      // / ==> Set WS2812 mode.
-      if (payload[0] == '/') {
-        handleSetWS2812FXMode(payload);
-        DBG_OUTPUT_PORT.printf("MQTT: Set WS2812 mode [%s]\n", payload);
-        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
-        #ifdef ENABLE_HOMEASSISTANT
-          stateOn = true;
-          sendState();
-        #endif
-      }
-
-    #ifdef ENABLE_HOMEASSISTANT
-    }
-    #endif
-    free(payload);
-  }
-  
-  void mqtt_reconnect() {
-    // Loop until we're reconnected
-    while (!mqtt_client.connected() && mqtt_reconnect_retries < MQTT_MAX_RECONNECT_TRIES) {
-      mqtt_reconnect_retries++;
-      DBG_OUTPUT_PORT.printf("Attempting MQTT connection %d / %d ...\n", mqtt_reconnect_retries, MQTT_MAX_RECONNECT_TRIES);
-      // Attempt to connect
-      if (mqtt_client.connect(mqtt_clientid, mqtt_user, mqtt_pass)) {
-        DBG_OUTPUT_PORT.println("MQTT connected!");
-        // Once connected, publish an announcement...
-        char * message = new char[18 + strlen(HOSTNAME) + 1];
-        strcpy(message, "McLighting ready: ");
-        strcat(message, HOSTNAME);
-        mqtt_client.publish(mqtt_outtopic, message);
-        // ... and resubscribe
-        mqtt_client.subscribe(mqtt_intopic);
-        #ifdef ENABLE_HOMEASSISTANT
-          mqtt_client.subscribe(mqtt_ha_state_in.c_str());
-        #endif
-  
-        DBG_OUTPUT_PORT.printf("MQTT topic in: %s\n", mqtt_intopic);
-        DBG_OUTPUT_PORT.printf("MQTT topic out: %s\n", mqtt_outtopic);
-      } else {
-        DBG_OUTPUT_PORT.print("failed, rc=");
-        DBG_OUTPUT_PORT.print(mqtt_client.state());
-        DBG_OUTPUT_PORT.println(" try again in 5 seconds");
-        // Wait 5 seconds before retrying
-        delay(5000);
-      }
-    }
-    if (mqtt_reconnect_retries >= MQTT_MAX_RECONNECT_TRIES) {
-      DBG_OUTPUT_PORT.printf("MQTT connection failed, giving up after %d tries ...\n", mqtt_reconnect_retries);
-    }
-  }
-#endif
-
-
-// ***************************************************************************
-// Button management
-// ***************************************************************************
-#ifdef ENABLE_BUTTON
-  void shortKeyPress() {
-    DBG_OUTPUT_PORT.printf("Short button press\n");
-    if (buttonState == false) {
-      setModeByStateString(BTN_MODE_SHORT);
-      buttonState = true;
-      #ifdef ENABLE_MQTT
-        mqtt_client.publish(mqtt_outtopic, String("OK =static white").c_str());
-      #endif
-    } else {
-      mode = OFF;
-      buttonState = false;
-      #ifdef ENABLE_MQTT
-        mqtt_client.publish(mqtt_outtopic, String("OK =off").c_str());
-       #ifdef ENABLE_HOMEASSISTANT
-         stateOn = false;
-         sendState();
-       #endif
-      #endif
-    }
-  }
-  
-  // called when button is kept pressed for less than 2 seconds
-  void mediumKeyPress() {
-    DBG_OUTPUT_PORT.printf("Medium button press\n");
-    setModeByStateString(BTN_MODE_MEDIUM);
-    #ifdef ENABLE_MQTT
-      mqtt_client.publish(mqtt_outtopic, String("OK =fire flicker").c_str());
-      #ifdef ENABLE_HOMEASSISTANT
-        stateOn = true;
-        sendState();
-      #endif
-    #endif
-  }
-  
-  // called when button is kept pressed for 2 seconds or more
-  void longKeyPress() {
-    DBG_OUTPUT_PORT.printf("Long button press\n");
-    setModeByStateString(BTN_MODE_LONG);
-    #ifdef ENABLE_MQTT
-      mqtt_client.publish(mqtt_outtopic, String("OK =fireworks random").c_str());
-      #ifdef ENABLE_HOMEASSISTANT
-       stateOn = true;
-       sendState();
-      #endif
-    #endif
-  }
-  
-  void button() {
-    if (millis() - keyPrevMillis >= keySampleIntervalMs) {
-      keyPrevMillis = millis();
-  
-      byte currKeyState = digitalRead(BUTTON);
-  
-      if ((prevKeyState == HIGH) && (currKeyState == LOW)) {
-        // key goes from not pressed to pressed
-        KeyPressCount = 0;
-      }
-      else if ((prevKeyState == LOW) && (currKeyState == HIGH)) {
-        if (KeyPressCount < longKeyPressCountMax && KeyPressCount >= mediumKeyPressCountMin) {
-          mediumKeyPress();
-        }
-        else {
-          if (KeyPressCount < mediumKeyPressCountMin) {
-            shortKeyPress();
-          }
-        }
-      }
-      else if (currKeyState == LOW) {
-        KeyPressCount++;
-        if (KeyPressCount >= longKeyPressCountMax) {
-          longKeyPress();
-        }
-      }
-      prevKeyState = currKeyState;
-    }
-  }
+// ***************************************************************************
+// Request handlers
+// ***************************************************************************
+void getArgs() {
+  if (server.arg("rgb") != "") {
+    uint32_t rgb = (uint32_t) strtol(server.arg("rgb").c_str(), NULL, 16);
+    main_color.red = ((rgb >> 16) & 0xFF);
+    main_color.green = ((rgb >> 8) & 0xFF);
+    main_color.blue = ((rgb >> 0) & 0xFF);
+  } else {
+    main_color.red = server.arg("r").toInt();
+    main_color.green = server.arg("g").toInt();
+    main_color.blue = server.arg("b").toInt();
+  }
+  ws2812fx_speed = constrain(server.arg("s").toInt(), 0, 255);
+  if (server.arg("s") == "") {
+    ws2812fx_speed = 196;
+  }
+
+  if (server.arg("m") != "") {
+    ws2812fx_mode = constrain(server.arg("m").toInt(), 0, strip.getModeCount() - 1);
+  }
+
+  main_color.red = constrain(main_color.red, 0, 255);
+  main_color.green = constrain(main_color.green, 0, 255);
+  main_color.blue = constrain(main_color.blue, 0, 255);
+
+  DBG_OUTPUT_PORT.print("Mode: ");
+  DBG_OUTPUT_PORT.print(mode);
+  DBG_OUTPUT_PORT.print(", Color: ");
+  DBG_OUTPUT_PORT.print(main_color.red);
+  DBG_OUTPUT_PORT.print(", ");
+  DBG_OUTPUT_PORT.print(main_color.green);
+  DBG_OUTPUT_PORT.print(", ");
+  DBG_OUTPUT_PORT.print(main_color.blue);
+  DBG_OUTPUT_PORT.print(", Speed:");
+  DBG_OUTPUT_PORT.print(ws2812fx_speed);
+  DBG_OUTPUT_PORT.print(", Brightness:");
+  DBG_OUTPUT_PORT.println(brightness);
+}
+
+
+long convertSpeed(int mcl_speed) {
+  long ws2812_speed = mcl_speed * 256;
+  ws2812_speed = SPEED_MAX - ws2812_speed;
+  if (ws2812_speed < SPEED_MIN) {
+    ws2812_speed = SPEED_MIN;
+  }
+  if (ws2812_speed > SPEED_MAX) {
+    ws2812_speed = SPEED_MAX;
+  }
+  return ws2812_speed;
+}
+
+
+// ***************************************************************************
+// Handler functions for WS and MQTT
+// ***************************************************************************
+void handleSetMainColor(uint8_t * mypayload) {
+  // decode rgb data
+  uint32_t rgb = (uint32_t) strtol((const char *) &mypayload[1], NULL, 16);
+  main_color.red = ((rgb >> 16) & 0xFF);
+  main_color.green = ((rgb >> 8) & 0xFF);
+  main_color.blue = ((rgb >> 0) & 0xFF);
+  strip.setColor(main_color.red, main_color.green, main_color.blue);
+}
+
+void handleSetAllMode(uint8_t * mypayload) {
+  // decode rgb data
+  uint32_t rgb = (uint32_t) strtol((const char *) &mypayload[1], NULL, 16);
+
+  main_color.red = ((rgb >> 16) & 0xFF);
+  main_color.green = ((rgb >> 8) & 0xFF);
+  main_color.blue = ((rgb >> 0) & 0xFF);
+
+  for (int i = 0; i < strip.numPixels(); i++) {
+    strip.setPixelColor(i, main_color.red, main_color.green, main_color.blue);
+  }
+  strip.show();
+  DBG_OUTPUT_PORT.printf("WS: Set all leds to main color: [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
+  exit_func = true;
+  mode = ALL;
+}
+
+void handleSetSingleLED(uint8_t * mypayload, uint8_t firstChar = 0) {
+  // decode led index
+  char templed[3];
+  strncpy (templed, (const char *) &mypayload[firstChar], 2 );
+  uint8_t led = atoi(templed);
+
+  DBG_OUTPUT_PORT.printf("led value: [%i]. Entry threshold: <= [%i] (=> %s)\n", led, strip.numPixels(), mypayload );
+  if (led <= strip.numPixels()) {
+    char redhex[3];
+    char greenhex[3];
+    char bluehex[3];
+    strncpy (redhex, (const char *) &mypayload[2 + firstChar], 2 );
+    strncpy (greenhex, (const char *) &mypayload[4 + firstChar], 2 );
+    strncpy (bluehex, (const char *) &mypayload[6 + firstChar], 2 );
+    ledstates[led].red =   strtol(redhex, NULL, 16);
+    ledstates[led].green = strtol(greenhex, NULL, 16);
+    ledstates[led].blue =  strtol(bluehex, NULL, 16);
+    DBG_OUTPUT_PORT.printf("rgb.red: [%s] rgb.green: [%s] rgb.blue: [%s]\n", redhex, greenhex, bluehex);
+    DBG_OUTPUT_PORT.printf("rgb.red: [%i] rgb.green: [%i] rgb.blue: [%i]\n", strtol(redhex, NULL, 16), strtol(greenhex, NULL, 16), strtol(bluehex, NULL, 16));
+    DBG_OUTPUT_PORT.printf("WS: Set single led [%i] to [%i] [%i] [%i] (%s)!\n", led, ledstates[led].red, ledstates[led].green, ledstates[led].blue, mypayload);
+
+
+    strip.setPixelColor(led, ledstates[led].red, ledstates[led].green, ledstates[led].blue);
+    strip.show();
+  }
+  exit_func = true;
+  mode = CUSTOM;
+}
+
+void handleSetDifferentColors(uint8_t * mypayload) {
+  uint8_t* nextCommand = 0;
+  nextCommand = (uint8_t*) strtok((char*) mypayload, "+");
+  while (nextCommand) {
+    handleSetSingleLED(nextCommand, 0);
+    nextCommand = (uint8_t*) strtok(NULL, "+");
+  }
+}
+
+void handleRangeDifferentColors(uint8_t * mypayload) {
+  uint8_t* nextCommand = 0;
+  nextCommand = (uint8_t*) strtok((char*) mypayload, "R");
+  // While there is a range to process R0110<00ff00>
+
+  while (nextCommand) {
+    // Loop for each LED.
+    char startled[3] = { 0, 0, 0 };
+    char endled[3] = { 0, 0, 0 };
+    char colorval[7] = { 0, 0, 0, 0, 0, 0, 0 };
+    strncpy ( startled, (const char *) &nextCommand[0], 2 );
+    strncpy ( endled, (const char *) &nextCommand[2], 2 );
+    strncpy ( colorval, (const char *) &nextCommand[4], 6 );
+    int rangebegin = atoi(startled);
+    int rangeend = atoi(endled);
+    DBG_OUTPUT_PORT.printf("Setting RANGE from [%i] to [%i] as color [%s] \n", rangebegin, rangeend, colorval);
+
+    while ( rangebegin <= rangeend ) {
+      char rangeData[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+      if ( rangebegin < 10 ) {
+        // Create the valid 'nextCommand' structure
+        sprintf(rangeData, "0%d%s", rangebegin, colorval);
+      }
+      if ( rangebegin >= 10 ) {
+        // Create the valid 'nextCommand' structure
+        sprintf(rangeData, "%d%s", rangebegin, colorval);
+      }
+      // Set one LED
+      handleSetSingleLED((uint8_t*) rangeData, 0);
+      rangebegin++;
+    }
+
+    // Next Range at R
+    nextCommand = (uint8_t*) strtok(NULL, "R");
+  }
+}
+
+void setModeByStateString(String saved_state_string) {
+  String str_mode = getValue(saved_state_string, '|', 1);
+  mode = static_cast<MODE>(str_mode.toInt());
+  String str_ws2812fx_mode = getValue(saved_state_string, '|', 2);
+  ws2812fx_mode = str_ws2812fx_mode.toInt();
+  String str_ws2812fx_speed = getValue(saved_state_string, '|', 3);
+  ws2812fx_speed = str_ws2812fx_speed.toInt();
+  String str_brightness = getValue(saved_state_string, '|', 4);
+  brightness = str_brightness.toInt();
+  String str_red = getValue(saved_state_string, '|', 5);
+  main_color.red = str_red.toInt();
+  String str_green = getValue(saved_state_string, '|', 6);
+  main_color.green = str_green.toInt();
+  String str_blue = getValue(saved_state_string, '|', 7);
+  main_color.blue = str_blue.toInt();
+
+  DBG_OUTPUT_PORT.printf("ws2812fx_mode: %d\n", ws2812fx_mode);
+  DBG_OUTPUT_PORT.printf("ws2812fx_speed: %d\n", ws2812fx_speed);
+  DBG_OUTPUT_PORT.printf("brightness: %d\n", brightness);
+  DBG_OUTPUT_PORT.printf("main_color.red: %d\n", main_color.red);
+  DBG_OUTPUT_PORT.printf("main_color.green: %d\n", main_color.green);
+  DBG_OUTPUT_PORT.printf("main_color.blue: %d\n", main_color.blue);
+
+  strip.setMode(ws2812fx_mode);
+  strip.setSpeed(convertSpeed(ws2812fx_speed));
+  strip.setBrightness(brightness);
+  strip.setColor(main_color.red, main_color.green, main_color.blue);
+}
+
+void handleSetNamedMode(String str_mode) {
+  exit_func = true;
+
+  if (str_mode.startsWith("=off")) {
+    mode = OFF; 
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = false;
+    #endif
+  }
+  if (str_mode.startsWith("=all")) {
+    mode = ALL;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=wipe")) {
+    mode = WIPE;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=rainbow")) {
+    mode = RAINBOW;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=rainbowCycle")) {
+    mode = RAINBOWCYCLE;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=theaterchase")) {
+    mode = THEATERCHASE;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=twinkleRandom")) {
+    mode = TWINKLERANDOM;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=theaterchaseRainbow")) {
+    mode = THEATERCHASERAINBOW;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+  if (str_mode.startsWith("=tv")) {
+    mode = TV;
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = true;
+    #endif
+  }
+}
+
+void handleSetWS2812FXMode(uint8_t * mypayload) {
+  mode = HOLD;
+  uint8_t ws2812fx_mode = (uint8_t) strtol((const char *) &mypayload[1], NULL, 10);
+  ws2812fx_mode = constrain(ws2812fx_mode, 0, 255);
+  strip.setColor(main_color.red, main_color.green, main_color.blue);
+  strip.setMode(ws2812fx_mode);
+  strip.start();
+}
+
+char* listStatusJSON() {
+  char json[255];
+
+  char modeName[30];
+  strncpy_P(modeName, (PGM_P)strip.getModeName(strip.getMode()), sizeof(modeName)); // copy from progmem
+
+  snprintf(json, sizeof(json), "{\"mode\":%d, \"ws2812fx_mode\":%d, \"ws2812fx_mode_name\":\"%s\", \"speed\":%d, \"brightness\":%d, \"color\":[%d, %d, %d]}",
+           mode, strip.getMode(), modeName, ws2812fx_speed, brightness, main_color.red, main_color.green, main_color.blue);
+  return json;
+}
+
+void getStatusJSON() {
+  server.send ( 200, "application/json", listStatusJSON() );
+}
+
+String listModesJSON() {
+  String modes = "[";
+  for (uint8_t i = 0; i < strip.getModeCount(); i++) {
+    modes += "{\"mode\":";
+    modes += i;
+    modes += ", \"name\":\"";
+    modes += strip.getModeName(i);
+    modes += "\"},";
+  }
+  modes += "{}]";
+  return modes;
+}
+
+void getModesJSON() {
+  server.send ( 200, "application/json", listModesJSON() );
+}
+
+#ifdef ENABLE_HOMEASSISTANT
+/********************************** START SEND STATE*****************************************/
+void sendState() {
+  StaticJsonBuffer<JSON_OBJECT_SIZE(10)> jsonBuffer;
+
+  JsonObject& root = jsonBuffer.createObject();
+
+  root["state"] = (stateOn) ? on_cmd : off_cmd;
+  JsonObject& color = root.createNestedObject("color");
+  color["r"] = main_color.red;
+  color["g"] = main_color.green;
+  color["b"] = main_color.blue;
+
+  root["brightness"] = brightness;
+
+  char modeName[30];
+  strncpy_P(modeName, (PGM_P)strip.getModeName(strip.getMode()), sizeof(modeName)); // copy from progmem
+  root["effect"] = modeName;
+
+
+  char buffer[root.measureLength() + 1];
+  root.printTo(buffer, sizeof(buffer));
+
+  mqtt_client.publish(mqtt_ha_state_out.c_str(), buffer, true);
+}
+#endif
+
+// ***************************************************************************
+// HTTP request handlers
+// ***************************************************************************
+void handleMinimalUpload() {
+  char temp[1500];
+
+  snprintf ( temp, 1500,
+             "<!DOCTYPE html>\
+    <html>\
+      <head>\
+        <title>ESP8266 Upload</title>\
+        <meta charset=\"utf-8\">\
+        <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\
+        <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\
+      </head>\
+      <body>\
+        <form action=\"/edit\" method=\"post\" enctype=\"multipart/form-data\">\
+          <input type=\"file\" name=\"data\">\
+          <input type=\"text\" name=\"path\" value=\"/\">\
+          <button>Upload</button>\
+         </form>\
+      </body>\
+    </html>"
+           );
+  server.send ( 200, "text/html", temp );
+}
+
+void handleNotFound() {
+  String message = "File Not Found\n\n";
+  message += "URI: ";
+  message += server.uri();
+  message += "\nMethod: ";
+  message += ( server.method() == HTTP_GET ) ? "GET" : "POST";
+  message += "\nArguments: ";
+  message += server.args();
+  message += "\n";
+  for ( uint8_t i = 0; i < server.args(); i++ ) {
+    message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n";
+  }
+  server.send ( 404, "text/plain", message );
+}
+
+// automatic cycling
+Ticker autoTicker;
+int autoCount = 0;
+
+void autoTick() {
+  strip.setColor(autoParams[autoCount][0]);
+  strip.setSpeed(convertSpeed((uint8_t)autoParams[autoCount][1]));
+  strip.setMode((uint8_t)autoParams[autoCount][2]);
+  autoTicker.once((float)autoParams[autoCount][3], autoTick);
+  DBG_OUTPUT_PORT.print("autoTick ");
+  DBG_OUTPUT_PORT.println(autoCount);
+
+  autoCount++;
+  if (autoCount >= (sizeof(autoParams) / sizeof(autoParams[0]))) autoCount = 0;
+}
+
+void handleAutoStart() {
+  autoCount = 0;
+  autoTick();
+  strip.start();
+}
+
+void handleAutoStop() {
+  autoTicker.detach();
+  strip.stop();
+}
+
+// ***************************************************************************
+// WS request handlers
+// ***************************************************************************
+void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t lenght) {
+  switch (type) {
+    case WStype_DISCONNECTED:
+      DBG_OUTPUT_PORT.printf("WS: [%u] Disconnected!\n", num);
+      break;
+
+    case WStype_CONNECTED: {
+        IPAddress ip = webSocket.remoteIP(num);
+        DBG_OUTPUT_PORT.printf("WS: [%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);
+
+        // send message to client
+        webSocket.sendTXT(num, "Connected");
+      }
+      break;
+
+    case WStype_TEXT:
+      DBG_OUTPUT_PORT.printf("WS: [%u] get Text: %s\n", num, payload);
+
+      // # ==> Set main color
+      if (payload[0] == '#') {
+        handleSetMainColor(payload);
+        DBG_OUTPUT_PORT.printf("Set main color to: [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
+        webSocket.sendTXT(num, "OK");
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+
+      // ? ==> Set speed
+      if (payload[0] == '?') {
+        uint8_t d = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
+        ws2812fx_speed = constrain(d, 0, 255);
+        strip.setSpeed(convertSpeed(ws2812fx_speed));
+        DBG_OUTPUT_PORT.printf("WS: Set speed to: [%u]\n", ws2812fx_speed);
+        webSocket.sendTXT(num, "OK");
+      }
+
+      // % ==> Set brightness
+      if (payload[0] == '%') {
+        uint8_t b = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
+        brightness = ((b >> 0) & 0xFF);
+        DBG_OUTPUT_PORT.printf("WS: Set brightness to: [%u]\n", brightness);
+        strip.setBrightness(brightness);
+        webSocket.sendTXT(num, "OK");
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+
+      // * ==> Set main color and light all LEDs (Shortcut)
+      if (payload[0] == '*') {
+        handleSetAllMode(payload);
+        webSocket.sendTXT(num, "OK");
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+
+      // ! ==> Set single LED in given color
+      if (payload[0] == '!') {
+        handleSetSingleLED(payload, 1);
+        webSocket.sendTXT(num, "OK");
+      }
+
+      // + ==> Set multiple LED in the given colors
+      if (payload[0] == '+') {
+        handleSetDifferentColors(payload);
+        webSocket.sendTXT(num, "OK");
+      }
+
+      // + ==> Set range of LEDs in the given color
+      if (payload[0] == 'R') {
+        handleRangeDifferentColors(payload);
+        webSocket.sendTXT(num, "OK");
+      }
+
+      // = ==> Activate named mode
+      if (payload[0] == '=') {
+        // we get mode data
+        String str_mode = String((char *) &payload[0]);
+
+        handleSetNamedMode(str_mode);
+
+        DBG_OUTPUT_PORT.printf("Activated mode [%u]!\n", mode);
+        webSocket.sendTXT(num, "OK");
+        #ifdef ENABLE_HOMEASSISTANT
+          sendState();
+        #endif
+      }
+
+      // $ ==> Get status Info.
+      if (payload[0] == '$') {
+        DBG_OUTPUT_PORT.printf("Get status info.");
+
+        String json = listStatusJSON();
+        DBG_OUTPUT_PORT.println(json);
+        webSocket.sendTXT(num, json);
+      }
+
+      // ~ ==> Get WS2812 modes.
+      if (payload[0] == '~') {
+        DBG_OUTPUT_PORT.printf("Get WS2812 modes.");
+
+        String json = listModesJSON();
+        DBG_OUTPUT_PORT.println(json);
+        webSocket.sendTXT(num, json);
+      }
+
+      // / ==> Set WS2812 mode.
+      if (payload[0] == '/') {
+        handleSetWS2812FXMode(payload);
+        webSocket.sendTXT(num, "OK");
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+
+      // start auto cycling
+      if (strcmp((char *)payload, "start") == 0 ) {
+        handleAutoStart();
+        webSocket.sendTXT(num, "OK");
+      }
+
+      // stop auto cycling
+      if (strcmp((char *)payload, "stop") == 0 ) {
+        handleAutoStop();
+        webSocket.sendTXT(num, "OK");
+      }
+      break;
+  }
+}
+
+void checkForRequests() {
+  webSocket.loop();
+  server.handleClient();
+  #ifdef ENABLE_MQTT
+  mqtt_client.loop();
+  #endif
+}
+
+
+// ***************************************************************************
+// MQTT callback / connection handler
+// ***************************************************************************
+#ifdef ENABLE_MQTT
+
+  #ifdef ENABLE_HOMEASSISTANT
+
+     void temp2rgb(unsigned int kelvin) {
+      int tmp_internal = kelvin / 100.0;
+    
+      // red
+      if (tmp_internal <= 66) {
+        main_color.red = 255;
+      } else {
+        float tmp_red = 329.698727446 * pow(tmp_internal - 60, -0.1332047592);
+        if (tmp_red < 0) {
+          main_color.red = 0;
+        } else if (tmp_red > 255) {
+          main_color.red = 255;
+        } else {
+          main_color.red = tmp_red;
+        }
+      }
+    
+      // green
+      if (tmp_internal <= 66) {
+        float tmp_green = 99.4708025861 * log(tmp_internal) - 161.1195681661;
+        if (tmp_green < 0) {
+          main_color.green = 0;
+        } else if (tmp_green > 255) {
+          main_color.green = 255;
+        } else {
+          main_color.green = tmp_green;
+        }
+      } else {
+        float tmp_green = 288.1221695283 * pow(tmp_internal - 60, -0.0755148492);
+        if (tmp_green < 0) {
+          main_color.green = 0;
+        } else if (tmp_green > 255) {
+          main_color.green = 255;
+        } else {
+          main_color.green = tmp_green;
+        }
+      }
+    
+      // blue
+      if (tmp_internal >= 66) {
+        main_color.blue = 255;
+      } else if (tmp_internal <= 19) {
+        main_color.blue = 0;
+      } else {
+        float tmp_blue = 138.5177312231 * log(tmp_internal - 10) - 305.0447927307;
+        if (tmp_blue < 0) {
+          main_color.blue = 0;
+        } else if (tmp_blue > 255) {
+          main_color.blue = 255;
+        } else {
+          main_color.blue = tmp_blue;
+        }
+      }
+    
+      //handleSetWS2812FXMode((uint8_t *) "/0");
+      strip.setColor(main_color.red, main_color.green, main_color.blue);
+      strip.start();
+    
+    }
+    
+    bool processJson(char* message) {
+      StaticJsonBuffer<JSON_OBJECT_SIZE(10)> jsonBuffer;
+    
+      JsonObject& root = jsonBuffer.parseObject(message);
+    
+      if (!root.success()) {
+        Serial.println("parseObject() failed");
+        return false;
+      }
+    
+      if (root.containsKey("state")) {
+        if (strcmp(root["state"], on_cmd) == 0 and !(animation_on)) {
+          stateOn = true;
+          mode = ALL;
+          strip.setColor(main_color.red, main_color.green, main_color.blue);
+          strip.start();
+        }
+        else if (strcmp(root["state"], off_cmd) == 0) {
+          stateOn = false;
+          mode = OFF;
+          animation_on = false;
+          strip.start();
+        }
+      }
+    
+      if (root.containsKey("color")) {
+        main_color.red = root["color"]["r"];
+        main_color.green = root["color"]["g"];
+        main_color.blue = root["color"]["b"];
+        //handleSetWS2812FXMode((uint8_t *) "/0");
+        strip.setColor(main_color.red, main_color.green, main_color.blue);
+        strip.start();
+      }
+    
+      if (root.containsKey("color_temp")) {
+        //temp comes in as mireds, need to convert to kelvin then to RGB
+        int color_temp = root["color_temp"];
+        unsigned int kelvin  = 1000000 / color_temp;
+    
+        temp2rgb(kelvin);
+      }
+    
+      if (root.containsKey("brightness")) {
+        const char * brightness_json = root["brightness"];
+        uint8_t b = (uint8_t) strtol((const char *) &brightness_json[0], NULL, 10);
+        brightness = constrain(b, 0, 255);
+        strip.setBrightness(brightness);
+      }
+      
+      if (root.containsKey("effect")) {
+        animation_on = true;
+        effectString = String((const char *)root["effect"]);
+
+        for (uint8_t i = 0; i < strip.getModeCount(); i++) {
+          if(String(strip.getModeName(i)) == effectString) {
+            mode = HOLD;
+            strip.setColor(main_color.red, main_color.green, main_color.blue);
+            strip.setMode(i);
+            strip.start();
+            break;
+          }
+        }
+      }
+    
+      return true;
+    }
+  #endif
+  
+  void mqtt_callback(char* topic, byte* payload_in, unsigned int length) {
+    uint8_t * payload = (uint8_t *)malloc(length + 1);
+    memcpy(payload, payload_in, length);
+    payload[length] = NULL;
+    DBG_OUTPUT_PORT.printf("MQTT: Message arrived [%s]\n", payload);
+
+    #ifdef ENABLE_HOMEASSISTANT
+      if (strcmp(topic, mqtt_ha_state_in.c_str()) == 0) {
+        if (!processJson((char*)payload)) {
+          return;
+        }
+        sendState();
+    
+      } else if (strcmp(topic, mqtt_ha_speed.c_str()) == 0) {
+        uint8_t d = (uint8_t) strtol((const char *) &payload[0], NULL, 10);
+        ws2812fx_speed = constrain(d, 0, 255);
+        strip.setSpeed(convertSpeed(ws2812fx_speed));
+    
+      } else if (strcmp(topic, (char *)mqtt_intopic) == 0) {
+    #endif
+  
+      // # ==> Set main color
+      if (payload[0] == '#') {
+        handleSetMainColor(payload);
+        DBG_OUTPUT_PORT.printf("MQTT: Set main color to [%u] [%u] [%u]\n", main_color.red, main_color.green, main_color.blue);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+  
+      // ? ==> Set speed
+      if (payload[0] == '?') {
+        uint8_t d = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
+        ws2812fx_speed = constrain(d, 0, 255);
+        strip.setSpeed(convertSpeed(ws2812fx_speed));
+        DBG_OUTPUT_PORT.printf("MQTT: Set speed to [%u]\n", ws2812fx_speed);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+      }
+  
+      // % ==> Set brightness
+      if (payload[0] == '%') {
+        uint8_t b = (uint8_t) strtol((const char *) &payload[1], NULL, 10);
+        brightness = constrain(b, 0, 255);
+        strip.setBrightness(brightness);
+        DBG_OUTPUT_PORT.printf("MQTT: Set brightness to [%u]\n", brightness);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+  
+      // * ==> Set main color and light all LEDs (Shortcut)
+      if (payload[0] == '*') {
+        handleSetAllMode(payload);
+        DBG_OUTPUT_PORT.printf("MQTT: Set main color and light all LEDs [%s]\n", payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+  
+      // ! ==> Set single LED in given color
+      if (payload[0] == '!') {
+        handleSetSingleLED(payload, 1);
+        DBG_OUTPUT_PORT.printf("MQTT: Set single LED in given color [%s]\n", payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+      }
+  
+      // + ==> Set multiple LED in the given colors
+      if (payload[0] == '+') {
+        handleSetDifferentColors(payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+      }
+  
+      // R ==> Set range of LEDs in the given colors
+      if (payload[0] == 'R') {
+        handleRangeDifferentColors(payload);
+        DBG_OUTPUT_PORT.printf("MQTT: Set range of LEDS to single color: [%s]\n", payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+      }
+  
+      // = ==> Activate named mode
+      if (payload[0] == '=') {
+        String str_mode = String((char *) &payload[0]);
+        handleSetNamedMode(str_mode);
+        DBG_OUTPUT_PORT.printf("MQTT: Activate named mode [%s]\n", payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+        #ifdef ENABLE_HOMEASSISTANT
+          sendState();
+        #endif
+      }
+  
+      // $ ==> Get status Info.
+      if (payload[0] == '$') {
+        DBG_OUTPUT_PORT.printf("MQTT: Get status info.\n");
+        DBG_OUTPUT_PORT.println("MQTT: Out: " + String(listStatusJSON()));
+        mqtt_client.publish(mqtt_outtopic, listStatusJSON());
+      }
+  
+      // ~ ==> Get WS2812 modes.
+      // TODO: Fix this, doesn't return anything. Too long?
+      // Hint: https://github.com/knolleary/pubsubclient/issues/110
+      if (payload[0] == '~') {
+        DBG_OUTPUT_PORT.printf("MQTT: Get WS2812 modes.\n");
+        DBG_OUTPUT_PORT.printf("Error: Not implemented. Message too large for pubsubclient.");
+        mqtt_client.publish(mqtt_outtopic, "ERROR: Not implemented. Message too large for pubsubclient.");
+        //String json_modes = listModesJSON();
+        //DBG_OUTPUT_PORT.printf(json_modes.c_str());
+  
+        //int res = mqtt_client.publish(mqtt_outtopic, json_modes.c_str(), json_modes.length());
+        //DBG_OUTPUT_PORT.printf("Result: %d / %d", res, json_modes.length());
+      }
+  
+      // / ==> Set WS2812 mode.
+      if (payload[0] == '/') {
+        handleSetWS2812FXMode(payload);
+        DBG_OUTPUT_PORT.printf("MQTT: Set WS2812 mode [%s]\n", payload);
+        mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
+        #ifdef ENABLE_HOMEASSISTANT
+          stateOn = true;
+          sendState();
+        #endif
+      }
+
+    #ifdef ENABLE_HOMEASSISTANT
+    }
+    #endif
+    free(payload);
+  }
+  
+  void mqtt_reconnect() {
+    // Loop until we're reconnected
+    while (!mqtt_client.connected() && mqtt_reconnect_retries < MQTT_MAX_RECONNECT_TRIES) {
+      mqtt_reconnect_retries++;
+      DBG_OUTPUT_PORT.printf("Attempting MQTT connection %d / %d ...\n", mqtt_reconnect_retries, MQTT_MAX_RECONNECT_TRIES);
+      // Attempt to connect
+      if (mqtt_client.connect(mqtt_clientid, mqtt_user, mqtt_pass)) {
+        DBG_OUTPUT_PORT.println("MQTT connected!");
+        // Once connected, publish an announcement...
+        char * message = new char[18 + strlen(HOSTNAME) + 1];
+        strcpy(message, "McLighting ready: ");
+        strcat(message, HOSTNAME);
+        mqtt_client.publish(mqtt_outtopic, message);
+        // ... and resubscribe
+        mqtt_client.subscribe(mqtt_intopic);
+        #ifdef ENABLE_HOMEASSISTANT
+          mqtt_client.subscribe(mqtt_ha_state_in.c_str());
+          mqtt_client.subscribe(mqtt_ha_speed.c_str());
+        #endif
+  
+        DBG_OUTPUT_PORT.printf("MQTT topic in: %s\n", mqtt_intopic);
+        DBG_OUTPUT_PORT.printf("MQTT topic out: %s\n", mqtt_outtopic);
+      } else {
+        DBG_OUTPUT_PORT.print("failed, rc=");
+        DBG_OUTPUT_PORT.print(mqtt_client.state());
+        DBG_OUTPUT_PORT.println(" try again in 5 seconds");
+        // Wait 5 seconds before retrying
+        delay(5000);
+      }
+    }
+    if (mqtt_reconnect_retries >= MQTT_MAX_RECONNECT_TRIES) {
+      DBG_OUTPUT_PORT.printf("MQTT connection failed, giving up after %d tries ...\n", mqtt_reconnect_retries);
+    }
+  }
+#endif
+
+
+// ***************************************************************************
+// Button management
+// ***************************************************************************
+#ifdef ENABLE_BUTTON
+  void shortKeyPress() {
+    DBG_OUTPUT_PORT.printf("Short button press\n");
+    if (buttonState == false) {
+      setModeByStateString(BTN_MODE_SHORT);
+      buttonState = true;
+      #ifdef ENABLE_MQTT
+        mqtt_client.publish(mqtt_outtopic, String("OK =static white").c_str());
+      #endif
+    } else {
+      mode = OFF;
+      buttonState = false;
+      #ifdef ENABLE_MQTT
+        mqtt_client.publish(mqtt_outtopic, String("OK =off").c_str());
+       #ifdef ENABLE_HOMEASSISTANT
+         stateOn = false;
+         sendState();
+       #endif
+      #endif
+    }
+  }
+  
+  // called when button is kept pressed for less than 2 seconds
+  void mediumKeyPress() {
+    DBG_OUTPUT_PORT.printf("Medium button press\n");
+    setModeByStateString(BTN_MODE_MEDIUM);
+    #ifdef ENABLE_MQTT
+      mqtt_client.publish(mqtt_outtopic, String("OK =fire flicker").c_str());
+      #ifdef ENABLE_HOMEASSISTANT
+        stateOn = true;
+        sendState();
+      #endif
+    #endif
+  }
+  
+  // called when button is kept pressed for 2 seconds or more
+  void longKeyPress() {
+    DBG_OUTPUT_PORT.printf("Long button press\n");
+    setModeByStateString(BTN_MODE_LONG);
+    #ifdef ENABLE_MQTT
+      mqtt_client.publish(mqtt_outtopic, String("OK =fireworks random").c_str());
+      #ifdef ENABLE_HOMEASSISTANT
+       stateOn = true;
+       sendState();
+      #endif
+    #endif
+  }
+  
+  void button() {
+    if (millis() - keyPrevMillis >= keySampleIntervalMs) {
+      keyPrevMillis = millis();
+  
+      byte currKeyState = digitalRead(BUTTON);
+  
+      if ((prevKeyState == HIGH) && (currKeyState == LOW)) {
+        // key goes from not pressed to pressed
+        KeyPressCount = 0;
+      }
+      else if ((prevKeyState == LOW) && (currKeyState == HIGH)) {
+        if (KeyPressCount < longKeyPressCountMax && KeyPressCount >= mediumKeyPressCountMin) {
+          mediumKeyPress();
+        }
+        else {
+          if (KeyPressCount < mediumKeyPressCountMin) {
+            shortKeyPress();
+          }
+        }
+      }
+      else if (currKeyState == LOW) {
+        KeyPressCount++;
+        if (KeyPressCount >= longKeyPressCountMax) {
+          longKeyPress();
+        }
+      }
+      prevKeyState = currKeyState;
+    }
+  }
 #endif