diff --git a/esp32/include/ControllerConfiguration.h b/esp32/include/ControllerConfiguration.h
index 430c26e..f757744 100644
--- a/esp32/include/ControllerConfiguration.h
+++ b/esp32/include/ControllerConfiguration.h
@@ -98,7 +98,7 @@
 #define BATTSENSOR_INDEX_BATTERY    1
 
 #define MQTT_TIMEOUT                (1000 * 60) /**< After 10 seconds, MQTT is expected to be connected */
-#define ESP_STALE_TIMEOUT           (MQTT_TIMEOUT+(120*1000))
+#define ESP_STALE_TIMEOUT           (MQTT_TIMEOUT+(700*1000))
 
 #define MAX_PLANTS          7
 #define SOLAR_CHARGE_MIN_VOLTAGE 7  /**< Sun is rising (morning detected) */
diff --git a/esp32/include/HomieConfiguration.h b/esp32/include/HomieConfiguration.h
index 70002c9..293b4d8 100644
--- a/esp32/include/HomieConfiguration.h
+++ b/esp32/include/HomieConfiguration.h
@@ -106,7 +106,8 @@ HomieSetting<const char *> ntpServer("ntpServer", "NTP server (pool.ntp.org as d
         HomieSetting<bool> mPumpOnlyWhenLowLight##plant = HomieSetting<bool>("lowLight" strplant, "Plant" strplant " - Enable the Pump only, when there is no sunlight"); \
         HomieSetting<long> mPumpCooldownInMinutes##plant = HomieSetting<long>("delay" strplant, "Plant" strplant " - How long to wait until the pump is activated again (minutes)");                      \
         HomieSetting<long> pPumpDuration##plant = HomieSetting<long>("pumpDuration" strplant, "Plant" strplant " - time seconds or ml (if using flowmeter) to water when pump is active");                      \
-        PlantSettings_t mSetting##plant = {&mSensorDry##plant, &mPumpAllowedHourRangeStart##plant, &mPumpAllowedHourRangeEnd##plant, &mPumpOnlyWhenLowLight##plant, &mPumpCooldownInMinutes##plant, &pPumpDuration##plant}; \
+        HomieSetting<long> pPowerLevel##plant = HomieSetting<long>("powerLevel" strplant, "Plant" strplant " - pwm duty cycle in percent");                      \
+        PlantSettings_t mSetting##plant = {&mSensorDry##plant, &mPumpAllowedHourRangeStart##plant, &mPumpAllowedHourRangeEnd##plant, &mPumpOnlyWhenLowLight##plant, &mPumpCooldownInMinutes##plant, &pPumpDuration##plant, &pPowerLevel##plant}; \
         /**< Generate all settings for one plant \
          * \
          * Feature to start pumping only at morning: @link{SOLAR_CHARGE_MIN_VOLTAGE} and @link{SOLAR_CHARGE_MAX_VOLTAGE} \
diff --git a/esp32/include/HomieTypes.h b/esp32/include/HomieTypes.h
index 7a87888..a92b7b5 100644
--- a/esp32/include/HomieTypes.h
+++ b/esp32/include/HomieTypes.h
@@ -28,6 +28,7 @@ typedef struct PlantSettings_t
     HomieSetting<bool> *pPumpOnlyWhenLowLight;
     HomieSetting<long> *pPumpCooldownInMinutes;
     HomieSetting<long> *pPumpDuration;
+    HomieSetting<long> *pPumpPowerLevel;
 } PlantSettings_t;
 
 #endif
\ No newline at end of file
diff --git a/esp32/include/PlantCtrl.h b/esp32/include/PlantCtrl.h
index f682f3c..bbf6a68 100644
--- a/esp32/include/PlantCtrl.h
+++ b/esp32/include/PlantCtrl.h
@@ -19,6 +19,8 @@
 #include "MathUtils.h"
 
 #define MOISTURE_MEASUREMENT_DURATION  400  /** ms */
+#define PWM_FREQ 50000
+#define PWM_BITS 8
 
 
 class Plant
diff --git a/esp32/src/PlantCtrl.cpp b/esp32/src/PlantCtrl.cpp
index 6c76256..c0833e6 100644
--- a/esp32/src/PlantCtrl.cpp
+++ b/esp32/src/PlantCtrl.cpp
@@ -55,12 +55,19 @@ void Plant::init(void)
         this->mSetting->pPumpDuration->setValidator([](long candidate) {
         return ((candidate >= 0) && (candidate <= 1000));
     });
+    this->mSetting->pPumpPowerLevel->setDefaultValue(100);
+        this->mSetting->pPumpPowerLevel->setValidator([](long candidate) {
+        return ((candidate >= 0) && (candidate <= 100));
+    });
 
 
     /* Initialize Hardware */
-    Serial.println("Set GPIO mode " + String(mPinPump) + "=" + String(OUTPUT));
+    Serial.println("Init PWM controller for pump " + String(mPinPump) + "=" + String(OUTPUT));  
     Serial.flush();
-    pinMode(this->mPinPump, OUTPUT);
+    ledcSetup(this->mPlantId, PWM_FREQ, PWM_BITS);
+    ledcAttachPin(mPinPump, this->mPlantId);
+    ledcWrite(this->mPlantId, 0);
+
     Serial.println("Set GPIO mode " + String(mPinSensor) + "=" + String(ANALOG));
     Serial.flush();
     pinMode(this->mPinSensor, INPUT);
@@ -140,7 +147,7 @@ void Plant::deactivatePump(void)
 {
     int plantId = this->mPlantId;
     Serial << "deactivating pump " << plantId << endl;
-    digitalWrite(this->mPinPump, LOW);
+    ledcWrite(this->mPlantId, 0);
     if (this->mConnected)
     {
         const String OFF = String("OFF");
@@ -158,8 +165,10 @@ void Plant::publishState(String state) {
 void Plant::activatePump(void)
 {
     int plantId = this->mPlantId;
+    
     Serial << "activating pump " << plantId << endl;
-    digitalWrite(this->mPinPump, HIGH);
+    long desiredPowerLevelPercent = this->mSetting->pPumpPowerLevel->get();
+    ledcWrite(this->mPlantId, desiredPowerLevelPercent*PWM_BITS);
     if (this->mConnected)
     {
         const String OFF = String("ON");