diff --git a/ADIS_tinyK22_SplitFlap/source/application.c b/ADIS_tinyK22_SplitFlap/source/application.c
index 0b06e45..3abb7a0 100644
--- a/ADIS_tinyK22_SplitFlap/source/application.c
+++ b/ADIS_tinyK22_SplitFlap/source/application.c
@@ -71,8 +71,13 @@ void App_Init(void){
 /* Application run */
 void App_Run(void){
     while(1) {
-    	McuLED_Toggle(LED_blue);
-    	McuWait_Waitms(100); /* wait for 100 ms */
+    	if(SF_GetMagSensorAtZeroPosition(splitflap0)){
+    		McuLED_On(LED_blue);
+    	} else {
+    		McuLED_Off(LED_blue);
+    	}
+
+    	McuWait_Waitms(10); /* wait for 100 ms */
     }
 }
 
diff --git a/ADIS_tinyK22_SplitFlap/source/main.c b/ADIS_tinyK22_SplitFlap/source/main.c
index 1ec356c..a62fd37 100644
--- a/ADIS_tinyK22_SplitFlap/source/main.c
+++ b/ADIS_tinyK22_SplitFlap/source/main.c
@@ -73,7 +73,7 @@ int main(void) {
 
     /* deinit app */
     //PRINTF("De-Initializing App...\n");
-    //App_Deinit();
+    App_Deinit();
 
     /* deinit platform */
     PRINTF("De-Initializing Platform...\n");
diff --git a/ADIS_tinyK22_SplitFlap/source/splitflap.c b/ADIS_tinyK22_SplitFlap/source/splitflap.c
index c461f4b..f9085d3 100644
--- a/ADIS_tinyK22_SplitFlap/source/splitflap.c
+++ b/ADIS_tinyK22_SplitFlap/source/splitflap.c
@@ -23,6 +23,8 @@ SF_Handle_t SF_Init(SF_Config_t* instance, int id){
 	splitflap->motor = McuULN2003_InitMotor(&instance->motorConfig);
 	splitflap->id = id;
 
+	/* TODO IMPLEMENT ACTUAL INITIALIZATION of Motor */
+
 	return splitflap;
 }
 
@@ -40,6 +42,11 @@ void SF_MoveSteps(SF_Handle_t instance, uint8_t steps){
 	McuULN2003_PowerOff(((SF_t*)instance)->motor);
 }
 
+bool SF_GetMagSensorAtZeroPosition(SF_Handle_t instance){
+	return McuGPIO_GetValue(((SF_t*)instance)->magSensor);
+}
+
+
 void SF_Deinit(SF_Handle_t instance){
 	McuULN2003_DeinitMotor(((SF_t*)instance)->motor);
 	McuGPIO_DeinitGPIO(((SF_t*)instance)->magSensor);
diff --git a/ADIS_tinyK22_SplitFlap/source/splitflap.h b/ADIS_tinyK22_SplitFlap/source/splitflap.h
index 2bbccf6..04218e9 100644
--- a/ADIS_tinyK22_SplitFlap/source/splitflap.h
+++ b/ADIS_tinyK22_SplitFlap/source/splitflap.h
@@ -8,6 +8,7 @@
 #ifndef SPLITFLAP_H_
 #define SPLITFLAP_H_
 
+#include <stdbool.h>
 #include "McuULN2003.h"
 #include "McuGPIO.h"
 
@@ -38,9 +39,12 @@ typedef struct {
  * Initialization will be made inside the SF_Init method */
 SF_Handle_t SF_Init(SF_Config_t* instance, int id);
 
-/* split flab moves number of steps maybe uint16_t? */
+/* split flap moves number of steps maybe uint16_t? */
 void SF_MoveSteps(SF_Handle_t instance, uint8_t steps);
 
+/* get mag sensor state. returns true if sensor is at zero position, otherwise false */
+bool SF_GetMagSensorAtZeroPosition(SF_Handle_t instance);
+
 /* split flap deinitialization */
 void SF_Deinit(SF_Handle_t instance);