diff --git a/esp32/include/ControllerConfiguration.h b/esp32/include/ControllerConfiguration.h
index 1da04b5..4c2520b 100644
--- a/esp32/include/ControllerConfiguration.h
+++ b/esp32/include/ControllerConfiguration.h
@@ -11,7 +11,7 @@
 #ifndef CONTROLLER_CONFIG_H
 #define CONTROLLER_CONFIG_H
 
-#define FIRMWARE_VERSION        "1.0.1"
+#define FIRMWARE_VERSION        "1.0.2"
 
 #define ADC_TO_VOLT(adc)                      ((adc) * 3.3 ) / 4095)
 #define ADC_TO_VOLT_WITH_MULTI(adc, multi)    (((adc) * 3.3 * (multi)) / 4095)
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index ac4e3bb..0523e6a 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -25,6 +25,7 @@ const unsigned long TEMPREADCYCLE = 30000; /**< Check temperature all half minut
 
 bool mLoopInited = false;
 bool mDeepSleep = false;
+bool mAlive=false;        /**< Controller must not sleep */
 
 int plantSensor1 = 0;
 
@@ -67,6 +68,7 @@ HomieNode sensorLipo("lipo", "Battery Status", "Lipo");
 HomieNode sensorSolar("solar", "Solar Status", "Solarpanel");
 HomieNode sensorWater("water", "WaterSensor", "Water");
 HomieNode sensorTemp("temperature", "Temperature", "temperature");
+HomieNode stayAlive("stay", "alive", "alive");
 
 HomieSetting<long> deepSleepTime("deepsleep", "time in milliseconds to sleep (0 deactivats it)");
 HomieSetting<long> deepSleepNightTime("nightsleep", "time in milliseconds to sleep (0 usese same setting: deepsleep at night, too)");
@@ -285,6 +287,26 @@ bool switchGeneralPumpHandler(const int pump, const HomieRange& range, const Str
   }
 }
 
+/**
+ * @brief Handle Mqtt commands to keep controller alive
+ * 
+ * @param range multiple transmitted values (not used for this function)
+ * @param value single value
+ * @return true when the command was parsed and executed succuessfully
+ * @return false on errors when parsing the request
+ */
+bool aliveHandler(const HomieRange& range, const String& value) {
+  if (range.isRange) return false;  // only one controller is present
+
+  if (value.equals("ON") || value.equals("On") || value.equals("1")) {
+      mAlive=true;
+  } else {
+      mAlive=false;
+  }
+  Serial << "Controller " << (mAlive ? " has coffee" : " is tired") << endl;
+  return true;
+}
+
 /**
  * @brief Handle Mqtt commands for the pumpe, responsible for the first plant
  * 
@@ -380,7 +402,6 @@ void setup() {
   /* activate Wifi again */
   WiFi.mode(WIFI_STA);
 
-
   if (HomieInternals::MAX_CONFIG_SETTING_SIZE < MAX_CONFIG_SETTING_ITEMS) {
     Serial << "HOMIE | Settings: " << HomieInternals::MAX_CONFIG_SETTING_SIZE << "/" << MAX_CONFIG_SETTING_ITEMS << endl;
     Serial << "      | Update Limits.hpp : MAX_CONFIG_SETTING_SIZE to " << MAX_CONFIG_SETTING_ITEMS << endl;
@@ -479,6 +500,8 @@ void setup() {
                 .setDatatype("number")
                 .setUnit("V");
     sensorWater.advertise("remaining").setDatatype("number").setUnit("%");
+
+    stayAlive.advertise("stay").setName("Alive").setDatatype("number").settable(aliveHandler);
   }
   
   Homie.setup();