diff --git a/include/HomieSettings.h b/include/HomieSettings.h
index 84c7270..69b47e7 100644
--- a/include/HomieSettings.h
+++ b/include/HomieSettings.h
@@ -13,6 +13,6 @@
 #define HOMIE_SETTINGS
 
 #define HOMIE_FIRMWARE_NAME     "RoomSensor"
-#define HOMIE_FIRMWARE_VERSION  "2.0.0"
+#define HOMIE_FIRMWARE_VERSION  "2.1.0"
 
 #endif
diff --git a/platformio.ini b/platformio.ini
index 6580e7c..dcb8698 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -12,7 +12,7 @@
 platform = espressif8266
 board = d1_mini
 framework = arduino
-build_flags = -D PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY -D BME680
+build_flags = -D PIO_FRAMEWORK_ARDUINO_LWIP2_LOW_MEMORY -D BMP280
 ; build_flag needs define the Bosch sensor...
 ; -D BMP280
 ;or
@@ -25,4 +25,4 @@ lib_deps = https://github.com/homieiot/homie-esp8266.git#develop
             adafruit/Adafruit BMP280 Library @ ^2.4.2
             adafruit/Adafruit BME680 Library @ ^2.0.1
 
-upload_port = /dev/ttyUSB1
\ No newline at end of file
+upload_port = /dev/ttyUSB0
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 4faab6a..c6ce8aa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -50,6 +50,10 @@
 
 #define SEALEVELPRESSURE_HPA (1013.25)
 
+#define BUTTON_MAX_CYCLE        10000U  /**< Action: Reset configuration */
+#define BUTTON_MIN_ACTION_CYCLE 55U     /**< Minimum cycle to react on the button (e.g. 5 second) */
+#define BUTTON_CHECK_INTERVALL  100U     /**< Check every 100 ms the button state */
+
 #define LOG_TOPIC "log\0"
 #define MQTT_LEVEL_ERROR    1
 #define MQTT_LEVEL_WARNING  10
@@ -80,6 +84,7 @@
 #define NODE_AMBIENT                    "ambient"
 
 #define MQTT_DUMMYHOST                  "localhost"
+#define NODE_BUTTON                     "button"
 /******************************************************************************
  *                                     TYPE DEFS
  ******************************************************************************/
@@ -98,6 +103,7 @@ bool mConfigured = false;
 bool mConnected = false;
 bool mFailedI2Cinitialization = false;
 AsyncWebServer* mHttp = NULL;
+long mLastButtonAction = 0;
 
 /******************************* Sensor data **************************/
 HomieNode particle(NODE_PARTICLE, "particle", "number"); /**< Measuret in micro gram per quibik meter air volume */
@@ -108,6 +114,7 @@ HomieNode altitudeNode(NODE_ALTITUDE, "Altitude", "number");
 HomieNode gasNode(NODE_GAS, "Gas", "number");
 HomieNode humidityNode(NODE_HUMIDITY, "Humidity", "number");
 #endif
+HomieNode buttonNode(NODE_BUTTON, "Button", "number");
 
 /****************************** Output control ***********************/
 HomieNode ledStripNode /* to rule them all */("led", "RGB led", "color");
@@ -252,7 +259,9 @@ void updateLEDs() {
       }
       strip.show();
   } else {
+#ifdef BME680
     bmx.performReading();
+#endif
   }
 }
 
@@ -287,15 +296,15 @@ String sensorAsJSON(void) {
   String buffer;
   StaticJsonDocument<500> doc;
 
-  doc["temp"] = String(bmx.temperature);
+  doc["temp"] = String(bmx.readTemperature());
 #ifdef BME680
    doc["gas"] = String((bmx.gas_resistance / 1000.0));
   doc["humidity"] = String(bmx.humidity);
 #endif
-  float atmospheric = bmx.pressure / 100.0F;
+  float atmospheric = bmx.readPressure() / 100.0F;
   float altitude = 44330.0 * (1.0 - pow(atmospheric / SEALEVELPRESSURE_HPA, 0.1903));
   doc["altitude"] = String(altitude);
-  doc["pressure"] = String(bmx.pressure / 100.0F);
+  doc["pressure"] = String(atmospheric);
   doc["particle"] = String(mParticle_pM25);
   serializeJson(doc, buffer);
   return buffer;
@@ -340,9 +349,19 @@ void loopHandler()
         bmpPublishValues();
       }
     }
-  
+
+    /* Clean cycles buttons */
+    if (mButtonPressed <= BUTTON_MIN_ACTION_CYCLE) {
+      buttonNode.setProperty(NODE_BUTTON).send("0");
+    }
     lastRead = millis();
   }
+
+  /* if the user sees something via the LEDs, inform MQTT, too */
+  if (mButtonPressed > BUTTON_MIN_ACTION_CYCLE) {
+    buttonNode.setProperty(NODE_BUTTON).send(String(mButtonPressed));
+  }
+
   // Feed the dog -> ESP stay alive
   ESP.wdtFeed();
 }
@@ -427,7 +446,8 @@ void setup()
   ledStripNode.advertise(NODE_AMBIENT).setName("All Leds")
                             .setDatatype("color").setFormat("rgb")
                             .settable(ledHandler);
-
+  buttonNode.advertise(NODE_BUTTON).setName("Button pressed")
+                            .setDatatype("integer");
 
   strip.begin();
   /* activate I2C for BOSCH sensor */
@@ -512,19 +532,37 @@ void loop()
   }
   /* use the pin, receiving the soft serial additionally as button */
   if (digitalRead(GPIO_BUTTON) == LOW) {
-    mButtonPressed++;
+    if ((millis() - mLastButtonAction) > BUTTON_CHECK_INTERVALL) {
+      mButtonPressed++;
+    }
+    if (mButtonPressed > BUTTON_MIN_ACTION_CYCLE) {
+      digitalWrite(WITTY_RGB_R, HIGH);
+      digitalWrite(WITTY_RGB_G, LOW);
+      digitalWrite(WITTY_RGB_B, LOW);
+      strip.fill(strip.Color(0,0,0));
+      strip.setPixelColor(0, strip.Color((mButtonPressed % 100),0,0));
+      strip.setPixelColor(1, strip.Color((mButtonPressed / 100),0,0));
+      strip.setPixelColor(2, strip.Color((mButtonPressed / 100),0,0));
+      strip.show();
+    }
   } else {
     mButtonPressed=0U;
   }
 
-  if (mButtonPressed > 10000U) {
-    mButtonPressed=0U;
+  if (mButtonPressed > BUTTON_MAX_CYCLE) {    
+    mButtonPressed = (BUTTON_MAX_CYCLE -1);
     if (SPIFFS.exists("/homie/config.json")) {
+      strip.fill(strip.Color(0,128,0));
+      strip.show();
       printf("Resetting config\r\n");
       SPIFFS.remove("/homie/config.json");
       SPIFFS.end();
+      delay(50);
+      Homie.reboot();
     } else {
       printf("No config present\r\n");
+      strip.fill(strip.Color(0,0,128));
+      strip.show();
     }
   }
 }