diff --git a/Arduino/McLighting/McLighting.ino b/Arduino/McLighting/McLighting.ino
index 0070eb5..1aa2223 100644
--- a/Arduino/McLighting/McLighting.ino
+++ b/Arduino/McLighting/McLighting.ino
@@ -1,5 +1,6 @@
 #include "definitions.h"
 
+#include "version.h"
 // ***************************************************************************
 // Load libraries for: WebServer / WiFiManager / WebSockets
 // ***************************************************************************
@@ -510,17 +511,53 @@ DBG_OUTPUT_PORT.println("Starting....");
   //first callback is called after the request has ended with all parsed arguments
   //second callback handles file uploads at that location
   server.on("/edit", HTTP_POST, []() {
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", "");
   }, handleFileUpload);
   //get heap status, analog input value and all GPIO statuses in one json call
   server.on("/esp_status", HTTP_GET, []() {
-    String json = "{";
-    json += "\"heap\":" + String(ESP.getFreeHeap());
-    // json += ", \"analog\":" + String(analogRead(A0));
-    // json += ", \"gpio\":" + String((uint32_t)(((GPI | GPO) & 0xFFFF) | ((GP16I & 0x01) << 16)));
-    json += "}";
-    server.send(200, "text/json", json);
-    json = String();
+    //String json = "{";
+    //json += "\"heap\":" + String(ESP.getFreeHeap());
+    //// json += ", \"analog\":" + String(analogRead(A0));
+    //// json += ", \"gpio\":" + String((uint32_t)(((GPI | GPO) & 0xFFFF) | ((GP16I & 0x01) << 16)));
+    //json += "}";
+    
+    DynamicJsonBuffer jsonBuffer(JSON_OBJECT_SIZE(9));
+    JsonObject& json = jsonBuffer.createObject();
+  
+    json["HOSTNAME"] = HOSTNAME;
+    json["version"] = SKETCH_VERSION;
+    json["heap"] = ESP.getFreeHeap();
+    #ifndef USE_NEOANIMATIONFX
+    json["animation_lib"] = "WS2812FX";
+    json["pin"] = PIN;
+    #else
+    json["animation_lib"] = "NeoAnimationFX";
+    json["pin"] = "Ignored, check NEOMETHOD";
+    #endif
+    json["number_leds"] = NUMLEDS;
+    #ifdef ENABLE_BUTTON
+      json["button_mode"] = "ON";
+    #else
+      json["button_mode"] = "OFF";
+    #endif
+    #ifdef ENABLE_AMQTT
+      json["mqtt"] = "ON";
+    #else
+      json["mqtt"] = "OFF";
+    #endif
+    #ifdef ENABLE_HOMEASSISTANT
+      json["home_assistant"] = "ON";
+    #else
+      json["home_assistant"] = "OFF";
+    #endif
+    //char buffer[json.measureLength() + 1];
+    //json.printTo(buffer, sizeof(buffer));
+    String json_str;
+    json.printTo(json_str);
+    server.sendHeader("Access-Control-Allow-Origin", "*");
+    server.send(200, "application/json", json_str);
+    //json_str = String();
   });
 
 
@@ -535,12 +572,14 @@ DBG_OUTPUT_PORT.println("Starting....");
 
   server.on("/restart", []() {
     DBG_OUTPUT_PORT.printf("/restart\n");
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", "restarting..." );
     ESP.restart();
   });
 
   server.on("/reset_wlan", []() {
     DBG_OUTPUT_PORT.printf("/reset_wlan\n");
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", "Resetting WLAN and restarting..." );
     WiFiManager wifiManager;
     wifiManager.resetSettings();
@@ -549,6 +588,7 @@ DBG_OUTPUT_PORT.println("Starting....");
 
   server.on("/start_config_ap", []() {
     DBG_OUTPUT_PORT.printf("/start_config_ap\n");
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", "Starting config AP ..." );
     WiFiManager wifiManager;
     wifiManager.startConfigPortal(HOSTNAME);
@@ -586,6 +626,7 @@ DBG_OUTPUT_PORT.println("Starting....");
 
   server.on("/get_brightness", []() {
     String str_brightness = String((int) (brightness / 2.55));
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", str_brightness );
     DBG_OUTPUT_PORT.print("/get_brightness: ");
     DBG_OUTPUT_PORT.println(str_brightness);
@@ -612,12 +653,14 @@ DBG_OUTPUT_PORT.println("Starting....");
 
   server.on("/get_speed", []() {
     String str_speed = String(ws2812fx_speed);
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", str_speed );
     DBG_OUTPUT_PORT.print("/get_speed: ");
     DBG_OUTPUT_PORT.println(str_speed);
   });
 
   server.on("/get_switch", []() {
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", (mode == OFF) ? "0" : "1" );
     DBG_OUTPUT_PORT.printf("/get_switch: %s\n", (mode == OFF) ? "0" : "1");
   });
@@ -625,6 +668,7 @@ DBG_OUTPUT_PORT.println("Starting....");
   server.on("/get_color", []() {
     char rgbcolor[9];
     snprintf(rgbcolor, sizeof(rgbcolor), "%02X%02X%02X%02X", main_color.white, main_color.red, main_color.green, main_color.blue);
+    server.sendHeader("Access-Control-Allow-Origin", "*");
     server.send(200, "text/plain", rgbcolor );
     DBG_OUTPUT_PORT.print("/get_color: ");
     DBG_OUTPUT_PORT.println(rgbcolor);
@@ -655,6 +699,27 @@ DBG_OUTPUT_PORT.println("Starting....");
     #endif
   });
 
+    server.on("/auto", []() {
+    #ifdef ENABLE_LEGACY_ANIMATIONS
+      exit_func = true;
+    #endif
+    mode = OFF;
+    //getArgs();
+    getStatusJSON();
+    #ifdef ENABLE_MQTT
+    mqtt_client.publish(mqtt_outtopic, String("OK =auto").c_str());
+    #endif
+    #ifdef ENABLE_AMQTT
+    amqttClient.publish(mqtt_outtopic.c_str(), qospub, false, String("OK =auto").c_str());
+    #endif
+    #ifdef ENABLE_HOMEASSISTANT
+      stateOn = false;
+    #endif
+    #ifdef ENABLE_STATE_SAVE_SPIFFS
+      if(!spiffs_save_state.active()) spiffs_save_state.once(3, tickerSpiffsSaveState);
+    #endif
+  });
+
   server.on("/all", []() {
     #ifdef ENABLE_LEGACY_ANIMATIONS
       exit_func = true;
@@ -918,6 +983,7 @@ void loop() {
   if (mode == SET_MODE) {
     DBG_OUTPUT_PORT.printf("SET_MODE: %d %d\n", ws2812fx_mode, mode);
     strip.setMode(ws2812fx_mode);
+    strip.trigger();
     prevmode = SET_MODE;
     mode = SETCOLOR;
   }
@@ -927,40 +993,52 @@ void loop() {
   }
   if (mode == SETCOLOR) {
     strip.setColor(main_color.white, main_color.red, main_color.green, main_color.blue);
+    strip.trigger();
     mode = (prevmode == SET_MODE) ? SETSPEED : HOLD;
   }
   if (mode == SETSPEED) {
     strip.setSpeed(convertSpeed(ws2812fx_speed));
+    strip.trigger();
     mode = (prevmode == SET_MODE) ? BRIGHTNESS : HOLD;
   }
   if (mode == BRIGHTNESS) {
     strip.setBrightness(brightness);
-    if (prevmode == SET_MODE) prevmode == HOLD;
+    strip.trigger();
+    if (prevmode == SET_MODE) prevmode = HOLD;
     mode = HOLD;
   }
   #ifdef ENABLE_LEGACY_ANIMATIONS
     if (mode == WIPE) {
+      strip.setColor(main_color.white, main_color.red, main_color.green, main_color.blue);
       strip.setMode(FX_MODE_COLOR_WIPE);
+      strip.trigger();
       mode = HOLD;
     }
     if (mode == RAINBOW) {
       strip.setMode(FX_MODE_RAINBOW);
+      strip.trigger();
       mode = HOLD;
     }
     if (mode == RAINBOWCYCLE) {
       strip.setMode(FX_MODE_RAINBOW_CYCLE);
+      strip.trigger();
       mode = HOLD;
     }
     if (mode == THEATERCHASE) {
+      strip.setColor(main_color.white, main_color.red, main_color.green, main_color.blue);
       strip.setMode(FX_MODE_THEATER_CHASE);
+      strip.trigger();
       mode = HOLD;
     }
     if (mode == TWINKLERANDOM) {
+      strip.setColor(main_color.white, main_color.red, main_color.green, main_color.blue);
       strip.setMode(FX_MODE_TWINKLE_RANDOM);
+      strip.trigger();
       mode = HOLD;
     }
     if (mode == THEATERCHASERAINBOW) {
       strip.setMode(FX_MODE_THEATER_CHASE_RAINBOW);
+      strip.trigger();
       mode = HOLD;
     }
   #endif
@@ -1007,7 +1085,7 @@ void loop() {
     if (state_save_requested && time_statechange + timeout_statechange_save <= millis()) {
       time_statechange = 0;
       state_save_requested = false;
-      writeEEPROM(256, 36, last_state); // 256 --> last_state (reserved 32 bytes)
+      writeEEPROM(256, 36, last_state); // 256 --> last_state (reserved 36 bytes)
       EEPROM.commit();
     }
   #endif
diff --git a/Arduino/McLighting/definitions.h b/Arduino/McLighting/definitions.h
index d223c9d..bb87d28 100644
--- a/Arduino/McLighting/definitions.h
+++ b/Arduino/McLighting/definitions.h
@@ -17,7 +17,7 @@ const char HOSTNAME[] = "McLightingRGBW01";   // Friedly hostname
 //#define ENABLE_MQTT          // If defined, enable MQTT client code, see: https://github.com/toblum/McLighting/wiki/MQTT-API
 //#define ENABLE_HOMEASSISTANT // If defined, enable Homeassistant integration, ENABLE_MQTT must be active
 #define ENABLE_BUTTON        // If defined, enable button handling code, see: https://github.com/toblum/McLighting/wiki/Button-control
-//#define ENABLE_BUTTON_GY33   // If defined, enable button handling code for GY-33 color sensor to scan color
+#define ENABLE_BUTTON_GY33   // If defined, enable button handling code for GY-33 color sensor to scan color
 //#define MQTT_HOME_ASSISTANT_SUPPORT // If defined, use AMQTT and select Tools -> IwIP Variant -> Higher Bandwidth
 #define ENABLE_LEGACY_ANIMATIONS
 #define ENABLE_STATE_SAVE_SPIFFS        // If defined, saves state on SPIFFS
@@ -37,6 +37,9 @@ const char HOSTNAME[] = "McLightingRGBW01";   // Friedly hostname
 #if ( (defined(ENABLE_HOMEASSISTANT) and !defined(ENABLE_MQTT)) and (defined(ENABLE_HOMEASSISTANT) and !defined(ENABLE_AMQTT)) )
 #error "To use HA, you have to either enable PubCubClient or AsyncMQTT"
 #endif
+#if ( !defined(ENABLE_HOMEASSISTANT) and defined(MQTT_HOME_ASSISTANT_SUPPORT) )
+#error "To use HA support, you have to either enable Homeassistant component"
+#endif
 
 // parameters for automatically cycling favorite patterns
 uint32_t autoParams[][4] = {   // color, speed, mode, duration (seconds)
diff --git a/Arduino/McLighting/request_handlers.h b/Arduino/McLighting/request_handlers.h
index 7591f69..76c8bcf 100644
--- a/Arduino/McLighting/request_handlers.h
+++ b/Arduino/McLighting/request_handlers.h
@@ -231,6 +231,12 @@ void setModeByStateString(String saved_state_string) {
         stateOn = false;
       #endif
     }
+    if (str_mode.startsWith("=auto")) {
+      mode = AUTO;
+      #ifdef ENABLE_HOMEASSISTANT
+        stateOn = true;
+      #endif
+    }
     if (str_mode.startsWith("=all")) {
       ws2812fx_mode = FX_MODE_STATIC;
       mode = SET_MODE;
@@ -289,35 +295,73 @@ void handleSetWS2812FXMode(uint8_t * mypayload) {
   ws2812fx_mode = constrain(ws2812fx_mode_tmp, 0, strip.getModeCount() - 1);
 }
 
-char* listStatusJSON() {
-  char json[255];
-  char modeName[30];
+String listStatusJSON(void) {
+  //char json[255];
+  //char modeName[30];
   uint8_t tmp_mode = (mode == SET_MODE) ? (uint8_t) ws2812fx_mode : strip.getMode();
   
-  strncpy_P(modeName, (PGM_P)strip.getModeName(tmp_mode), 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, %d]}",
-           mode, tmp_mode, modeName, ws2812fx_speed, brightness, main_color.white, main_color.red, main_color.green, main_color.blue);
+  //strncpy_P(modeName, (PGM_P)strip.getModeName(tmp_mode), 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, tmp_mode, modeName, ws2812fx_speed, brightness, main_color.red, main_color.green, main_color.blue);
+
+  const size_t bufferSize = JSON_ARRAY_SIZE(3) + JSON_OBJECT_SIZE(6);
+  DynamicJsonBuffer jsonBuffer(bufferSize);
+  JsonObject& root = jsonBuffer.createObject();
+  root["mode"] = (uint8_t) mode;
+  root["ws2812fx_mode"] = tmp_mode;
+  root["ws2812fx_mode_name"] = strip.getModeName(tmp_mode);
+  root["speed"] = ws2812fx_speed;
+  root["brightness"] = brightness;
+  JsonArray& color = root.createNestedArray("color");
+  color.add(main_color.white);
+  color.add(main_color.red);
+  color.add(main_color.green);
+  color.add(main_color.blue);
+  
+//  char* json = (char*) malloc(root.measureLength() + 1);
+//  root.printTo(json, sizeof(json));
+
+  String json;
+  root.printTo(json);
+  
   return json;
 }
 
 void getStatusJSON() {
+  server.sendHeader("Access-Control-Allow-Origin", "*");
   server.send ( 200, "application/json", listStatusJSON() );
 }
 
-String listModesJSON() {
-  String modes = "[";
+String listModesJSON(void) {
+//  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;
+
+  const size_t bufferSize = JSON_ARRAY_SIZE(strip.getModeCount()+1) + strip.getModeCount()*JSON_OBJECT_SIZE(2);
+  DynamicJsonBuffer jsonBuffer(bufferSize);
+  JsonArray& json = jsonBuffer.createArray();
   for (uint8_t i = 0; i < strip.getModeCount(); i++) {
-    modes += "{\"mode\":";
-    modes += i;
-    modes += ", \"name\":\"";
-    modes += strip.getModeName(i);
-    modes += "\"},";
+    JsonObject& object = json.createNestedObject();
+    object["mode"] = i;
+    object["name"] = strip.getModeName(i);
   }
-  modes += "{}]";
-  return modes;
+  JsonObject& object = json.createNestedObject();
+  
+  String json_str;
+  json.printTo(json_str);
+  return json_str;
 }
 
 void getModesJSON() {
+  server.sendHeader("Access-Control-Allow-Origin", "*");
   server.send ( 200, "application/json", listModesJSON() );
 }
 
@@ -344,7 +388,8 @@ void handleMinimalUpload() {
          </form>\
       </body>\
     </html>"
-           );
+  );
+  server.sendHeader("Access-Control-Allow-Origin", "*");
   server.send ( 200, "text/html", temp );
 }
 
@@ -445,7 +490,7 @@ void checkpayload(uint8_t * payload, bool mqtt = false, uint8_t num = 0) {
     brightness = constrain(b, 0, 255);
     strip.setBrightness(brightness);
     Dbg_Prefix(mqtt, num);
-    DBG_OUTPUT_PORT.printf("WS: Set brightness to: [%u]\n", brightness);
+    DBG_OUTPUT_PORT.printf("Set brightness to: [%u]\n", brightness);
     #ifdef ENABLE_MQTT
     mqtt_client.publish(mqtt_outtopic, String(String("OK ") + String((char *)payload)).c_str());
     #endif
diff --git a/Arduino/McLighting/spiffs_webserver.h b/Arduino/McLighting/spiffs_webserver.h
index a02fc6a..0c9c5c7 100644
--- a/Arduino/McLighting/spiffs_webserver.h
+++ b/Arduino/McLighting/spiffs_webserver.h
@@ -69,6 +69,7 @@ bool handleFileRead(String path) {
 		if (SPIFFS.exists(pathWithGz))
 			path += ".gz";
 		File file = SPIFFS.open(path, "r");
+        server.sendHeader("Access-Control-Allow-Origin", "*");
 		size_t sent = server.streamFile(file, contentType);
 		file.close();
 		return true;
@@ -153,5 +154,6 @@ void handleFileList() {
 	}
 	
 	output += "]";
+    server.sendHeader("Access-Control-Allow-Origin", "*");
 	server.send(200, "text/json", output);
 }
diff --git a/Arduino/McLighting/version.h b/Arduino/McLighting/version.h
new file mode 100644
index 0000000..db35e16
--- /dev/null
+++ b/Arduino/McLighting/version.h
@@ -0,0 +1 @@
+#define SKETCH_VERSION "2.1.1"
diff --git a/Arduino/McLighting/version_info.ino b/Arduino/McLighting/version_info.ino
new file mode 100644
index 0000000..f381e99
--- /dev/null
+++ b/Arduino/McLighting/version_info.ino
@@ -0,0 +1,9 @@
+/*
+ * 07 May 2018 v 2.1.0
+ * - Start of versioning v2.1, added version support
+ * - '/esp_status' returns lot more info
+ * 
+ * 11 May 2018 v 2.1.1
+ * - Use ArduinoJSON to send JSON replies
+ * - Add strip.trigger()
+  */