diff --git a/ASYD_Safety/Ada_Microbit/examples/MicroBit/jumper/src/main.adb b/ASYD_Safety/Ada_Microbit/examples/MicroBit/jumper/src/main.adb
index d94cbe4..01b608e 100644
--- a/ASYD_Safety/Ada_Microbit/examples/MicroBit/jumper/src/main.adb
+++ b/ASYD_Safety/Ada_Microbit/examples/MicroBit/jumper/src/main.adb
@@ -23,6 +23,7 @@ procedure Main is
    FreeFallCounter : Integer;
    FreeFallDetectionCycles : Integer;
    FreeFallCondition : Boolean;
+   MotorStarted : Boolean;
    Threshold : Axis_Data;
 
    -- IO VARIABLES
@@ -30,7 +31,6 @@ procedure Main is
    DO_2_Pt : GPIO_Point;
    DO_3_Pt : GPIO_Point;
    DO_4_Pt : GPIO_Point;
-   -- DI_Conf_Up : GPIO_Configuration;
    DI_Conf_Down : GPIO_Configuration;
 
 
@@ -39,8 +39,9 @@ begin
    -- PROGRAM STARTUP
    Console.Put_Line ("Jumper - starting up ..");
    FreeFallCondition := False;
+   MotorStarted := False;
    FreeFallCounter := 0;
-   FreeFallDetectionCycles := 70;  -- 70 * 5ms = 350ms
+   FreeFallDetectionCycles := 100;  -- 70 * 5ms = 350ms
    Threshold := 150;  -- acceleration sensor threshold
 
    -- IO CONFIGURATION
@@ -49,10 +50,6 @@ begin
    DO_3_Pt := MB_P9;
    DO_4_Pt := MB_P16;
 
-   -- DI_Conf_Up.Mode := Mode_In;
-   -- DI_Conf_Up.Resistors := Pull_Up;
-   -- DI_Conf_Up.Input_Buffer := Input_Buffer_Connect;
-   -- DI_Conf_Up.Sense := Sense_Disabled;
 
    DI_Conf_Down.Mode := Mode_In;
    DI_Conf_Down.Resistors := Pull_Down;
@@ -65,19 +62,22 @@ begin
    DO_3_Pt.Configure_IO(DI_Conf_Down);
    DO_4_Pt.Configure_IO(DI_Conf_Down);
 
+   Display.Clear;
    loop
 
       if Buttons.State (Button_A) = Pressed then
-         DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
          DO_2_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
-         DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
          DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+         Display.Clear;
+         Display.Display ('0');
       end if;
       if Buttons.State (Button_B) = Pressed then
          DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
          DO_2_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
          DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
          DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
+         Display.Clear;
+         Display.Display ('X');
       end if;
 
 
@@ -109,39 +109,26 @@ begin
       end if;
 
       --  Clear the LED matrix
-      Display.Clear;
+      --Display.Clear;
 
       -- Check, wether FreeFallCondition was triggered
       if FreeFallCondition then
-         -- set outputs -> motor on
-         -- DO_1_Pt.Configure_IO(DI_Conf_Up);
-         -- DO_2_Pt.Configure_IO(DI_Conf_Up);
-         -- DO_3_Pt.Configure_IO(DI_Conf_Up);
-         -- DO_4_Pt.Configure_IO(DI_Conf_Up);
-         -- use function to set pull up
-         DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
-         DO_2_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
-         DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
-         DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
-         -- maybe timeout and stop motor
-         -- deep sleep afterwards
-         Display.Display ('X');
-      else
-         Display.Display ('0');
+         if not MotorStarted then
+            MotorStarted := True;
+            -- set outputs -> motor on
+            DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+            DO_2_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+            DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+            DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+            -- maybe timeout and stop motor
+            -- deep sleep afterwards
+            -- Display.Display ('X');
+         end if;
+      -- else
+         -- Display.Display ('0');
       end if;
 
 
-      -- Read analogue pin (could be 0,1,2,3,4, or 10)
-      -- Value := MicroBit.IOs.Analog (2);
-      -- Console.Put_Line ("Value : " & Value'Image);
-
-      -- Set output
-      -- if Value > Analog_Value(200) then
-      --    MicroBit.IOs.Set (12, True);
-      -- else
-      --    MicroBit.IOs.Set (12, False);
-      -- end if;
-
       Time.Sleep (5);  -- 200 samples / s
    end loop;
 end Main;