diff --git a/rasp_grid.py b/rasp_grid.py
index 7e91532..c922724 100644
--- a/rasp_grid.py
+++ b/rasp_grid.py
@@ -262,11 +262,11 @@ def main():
 
 
     # LED on when here ... wait for switch to start data aquisition
-    GPIO.output(11, GPIO.HIGH)
+    GPIO.output(LED1_pin, GPIO.HIGH)
     LED_status[0] = True
-    while GPIO.input(16) == GPIO.LOW:
+    while GPIO.input(Button1_pin) == GPIO.LOW:
         sleep(.1)
-    GPIO.output(11, GPIO.LOW)
+    GPIO.output(LED1_pin, GPIO.LOW)
     LED_status[0] = False
 
     LED_t = time()
@@ -275,19 +275,19 @@ def main():
     disp_eth_power = True
 
     try:
-        while GPIO.input(16) == GPIO.HIGH:
+        while GPIO.input(Button1_pin) == GPIO.HIGH:
             # blinking LED
             if time() - LED_t < .1 and LED_status[0] == False:
                 LED_status[0] = True
-                GPIO.output(11, GPIO.HIGH)
+                GPIO.output(LED1_pin, GPIO.HIGH)
             if time() - LED_t >= .1 and LED_status[0] == True:
                 LED_status[0] = False
-                GPIO.output(11, GPIO.LOW)
+                GPIO.output(LED1_pin, GPIO.LOW)
             if time() - LED_t >= LED_t_interval:
                 LED_t = time()
 
             # dist & eth0 controll
-            if GPIO.input(18) == GPIO.HIGH:
+            if GPIO.input(Button2_pin) == GPIO.HIGH:
                 if disp_eth_power == True:
                     subprocess.run(['tvservice', '-o'])
                     subprocess.run(['vcgencmd', 'display_power', '0'])