diff --git a/Core/Application/MAIN_MainApplication.c b/Core/Application/MAIN_MainApplication.c
index 62bce69..156f1ae 100644
--- a/Core/Application/MAIN_MainApplication.c
+++ b/Core/Application/MAIN_MainApplication.c
@@ -195,7 +195,7 @@ BOOL MAIN_boInitializeModule( VOID )
   boOK &= ((m_pstEventID = osEventFlagsNew( &stEventAttribute )) == NULL) ? FALSE : TRUE; 
   boOK &= ((m_pstThreadID = osThreadNew( vMainTask, NULL, &stTaskAttribute )) == NULL ) ? FALSE : TRUE;
 	boOK &= ((m_pstCANRxMsgQueueID = osMessageQueueNew( MSG_QUEUE_SIZE, sizeof(CAND_Message), &stCANRxMsgQueueAttribute ) ) == NULL ) ? FALSE : TRUE;
-  boOK &= (m_pstUpdateTimer = osTimerNew( vEventCallback, osTimerPeriodic, (PVOID)EVENT_TIMER_UPDATE, &stTimerAttribute )) != NULL  ? TRUE : FALSE;
+  boOK &= (m_pstUpdateTimer = osTimerNew( vEventCallback, osTimerPeriodic, (PVOID)EVENT_TIMER_UPDATE, &stTimerAttribute )) == NULL  ? FALSE : TRUE;
   
 	/*boOK &= VARH_boRegisterRangeCheck( VARH_eVoltageRefEn,	VARH_boBooleanVarCheck, NULL );
 	
@@ -340,7 +340,7 @@ PRIVATE VOID vMainTask( PVOID arg )
     }
 		if( u32Flags & EVENT_TIMER_UPDATE )
     {
-			//DIPO_vToggleOutput(DIPO_eLED);
+			DIPO_vToggleOutput(DIPO_eLED);
 		}
         
   }
diff --git a/Core/Drivers/PECO_PeltierController.c b/Core/Drivers/PECO_PeltierController.c
index 23fe80e..a0010a5 100644
--- a/Core/Drivers/PECO_PeltierController.c
+++ b/Core/Drivers/PECO_PeltierController.c
@@ -50,7 +50,9 @@
 // Description:   Definition of local constants (visible by this module only).
 //=================================================================================================
 
+#define EVENT_TIMER_UPDATE          ((U32)(1<<0))
 
+#define EVENT_FLAGS_ALL             ( EVENT_TIMER_UPDATE )
 
 //=================================================================================================
 // Section:       MACROS
@@ -81,6 +83,8 @@
 //=================================================================================================
 
 LOCAL osThreadId_t        m_pstThreadID       = NULL;
+LOCAL osTimerId_t         m_pstUpdateTimer    = NULL;
+LOCAL osEventFlagsId_t    m_pstEventID            = NULL;
 
 BOOL boEnableOutput = FALSE;
 
@@ -103,6 +107,23 @@ LOCAL CONST osThreadAttr_t stTaskAttribute =
   0,                                // reserved (must be 0)
 };
 
+LOCAL CONST osTimerAttr_t stTimerAttribute =
+{
+  "PECO_UpdateTimer",               // name of the timer
+  0,                                // attribute bits
+  NULL,                             // memory for control block
+  0,                                // size of provided memory for control block
+};
+
+LOCAL CONST osEventFlagsAttr_t stEventAttribute =
+{
+  "PECO_Event_Flags",               // name of the event flags
+  0,                                // attribute bits
+  NULL,                             // memory for control block
+  0,                                // size of provided memory for control block
+};
+
+
 //=================================================================================================
 // Section:       LOCAL FUNCTIONS (PROTOTYPES)
 // Description:   Definition of local functions (visible by this module only).
@@ -110,6 +131,7 @@ LOCAL CONST osThreadAttr_t stTaskAttribute =
 
 PRIVATE VOID PECO_vTask( PVOID arg );
 BOOL boSetPeltierVoltage( S16 Voltage );
+PRIVATE VOID vEventCallback( PVOID pvData );
 
 //=================================================================================================
 // Section:       EXTERNAL FUNCTIONS
@@ -142,9 +164,13 @@ BOOL PECO_boInitializeModule( VOID )
 	BOOL boOK = TRUE;
   
 	//boOK &= ((m_pstThreadID = osThreadNew( PECO_vTask, NULL, &stTaskAttribute )) == NULL ) ? FALSE : TRUE;
+	boOK &= ((m_pstEventID = osEventFlagsNew( &stEventAttribute )) == NULL) ? FALSE : TRUE;
+	boOK &= (m_pstUpdateTimer = osTimerNew( vEventCallback, osTimerPeriodic, (PVOID)EVENT_TIMER_UPDATE, &stTimerAttribute )) == NULL  ? FALSE : TRUE;
 	
 	boSetPeltierVoltage(0);
 
+	boOK &= (osTimerStart( m_pstUpdateTimer, 1000 ) == osOK ) ? TRUE : FALSE;
+
   return( boOK );
 }
 
@@ -197,22 +223,25 @@ BOOL PECO_isEnabled( VOID ){
 //-------------------------------------------------------------------------------------------------
 VOID PECO_vTask( PVOID arg )
 {
-	
-	/*PECO_Enable(TRUE);
+
+  UNUSED( arg );
+  U32 u32Flags;
 	
 	while ( TRUE )
   {
-		
-		boSetPeltierVoltage(1);
-		osDelay(5000);
-		boSetPeltierVoltage(0);
-		osDelay(5000);
-		boSetPeltierVoltage(-1);
-		osDelay(5000);
-		boSetPeltierVoltage(0);
-		osDelay(5000);
+
+    u32Flags = osEventFlagsWait( m_pstEventID, EVENT_FLAGS_ALL, osFlagsWaitAny, osWaitForever );
+
+    if( u32Flags & EVENT_TIMER_UPDATE )
+    {
+
+
+
+
+    }
+
 	
-	}*/
+	}
 
 }
 
@@ -228,11 +257,20 @@ BOOL boSetPeltierVoltage( S16 Voltage ){
 	if( Voltage > 14000 ) Voltage = 14000;
 	if( Voltage < -8000 ) Voltage = -8000;
 	
-	//Voltage -= 0.6; // Offset (hoffentlich nicht mehr)
-	
 	boOK &= ANPO_boSetVoltage( ((((FLOAT)Voltage)/1000) + 20.088) / 34.103 );
 	
 	return( boOK );
 }
 
+//-------------------------------------------------------------------------------------------------
+// Function:      vEventCallback
+// Description:   Callback for events
+// Parameters:    None
+// Returns:       None
+//-------------------------------------------------------------------------------------------------
+PRIVATE VOID vEventCallback( PVOID pvData )
+{
+  osEventFlagsSet( m_pstEventID, (U32)pvData );
+}
+
 
diff --git a/Core/Drivers/TEMP_Temperature.c b/Core/Drivers/TEMP_Temperature.c
index cd90724..e07fbb6 100644
--- a/Core/Drivers/TEMP_Temperature.c
+++ b/Core/Drivers/TEMP_Temperature.c
@@ -245,9 +245,7 @@ PRIVATE VOID vTempTask( PVOID arg )
 			if( boOK )
 			{
 				osMutexAcquire( m_pstMutexID, osWaitForever );
-				DIPO_vSetOutput(DIPO_eLED);
 				m_flTempData[ADCD_eHot] = flConvertADCData( u16ADC_data[ADCD_eHot] );
-				DIPO_vResetOutput(DIPO_eLED);
 				//temp = flConvertADCData( u16ADC_data[ADCD_eHot] ); // for debugging
 				//VARH_vSetVariableData( VARH_eTempHeatSink + u8Channel, (VARH_UVariable)(FLOAT)m_dbTempData[u8Channel] );
 				osMutexRelease( m_pstMutexID );