diff --git a/esp32/include/HomieConfiguration.h b/esp32/include/HomieConfiguration.h
index a364c4b..508da87 100644
--- a/esp32/include/HomieConfiguration.h
+++ b/esp32/include/HomieConfiguration.h
@@ -28,6 +28,7 @@
 #define TEMPERATUR_SENSOR_LIPO          "lipo"
 #define TEMPERATUR_SENSOR_WATER         "water"
 #define TEMPERATUR_SENSOR_OUTSIDE       "temp"
+#define TEMPERATUR_SENSOR_CHIP          "chip"
 #define TEMPERATURE_NAME                "Temperature"
 #define TEMPERATURE_UNIT                "°C"
 
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index e6ce79a..50e726e 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -387,6 +387,11 @@ void mode2MQTT()
       }
     }
 
+    if (! isnan(mChipTemp)) {
+      sensorTemp.setProperty(TEMPERATUR_SENSOR_CHIP).send(String(mChipTemp));
+        Serial << "Chip Temperatur " << mChipTemp << " °C " << endl;
+    }
+
     /* deactivate the sensors */
     digitalWrite(OUTPUT_SENSOR, LOW);
   }
@@ -798,6 +803,10 @@ void systemInit()
         .setName(TEMPERATURE_NAME)
         .setDatatype(NUMBER_TYPE)
         .setUnit(TEMPERATURE_UNIT);
+    sensorTemp.advertise(TEMPERATUR_SENSOR_CHIP)
+        .setName(TEMPERATURE_NAME)
+        .setDatatype(NUMBER_TYPE)
+        .setUnit(TEMPERATURE_UNIT);
 
     sensorLipo.advertise("percent")
         .setName("Percent")