diff --git a/gametest_rev2.py b/gametest_rev2.py
index 17cd567..710809e 100644
--- a/gametest_rev2.py
+++ b/gametest_rev2.py
@@ -56,23 +56,23 @@ pin_blue, pin_green, pin_red
 
 pin_start
 
-    Type: Input, Pull Up
+    Type: Input, Pull Down
     Use: Start pin. If this is active, the game starts.
 
 pin_stop
 
-    Type: Input, Pull Up
+    Type: Input, Pull Down
     Use: Stop pin. If this is active, the game ends
 
 pin_error
 
-    Type: Input, Pull Up
+    Type: Input, Pull Down
     Use: This is to be attached to the game wire. If the wire is touched,
     the pin is pulled up and an error is registered.
 
 pin_shutdown
 
-    Type: Input, Pull Up
+    Type: Input, Pull Down
     Use: Triggering this input causes a system shutdown.
 
 GPIO Pinout for assembly:
@@ -117,20 +117,18 @@ Circuit diagrams for the contact and button electronics:
 
 All buttons are close-contact. 
 
-+3.3V DC ---+-----------+-----------+-----------+-------->
++3.3V DC ---+-----------+-------------------------------->
             |           |           |           |
-            |           |           |           |
-      start \      stop \  shutdown \     error \
-     contact \   contact \    button \   contact \
+           R2          R4          R4          R4
+            |           |           |           | 
+            +----+      +----+      +----+      +----+
+            |    |      |    |      |    |      |    |
+            |   P_32    |   P_37    |   P_32    |   P_32    
+            \           \           \           \
+             \           \           \           \
               \           \           \           \
             *           *           *           *
             |           |           |           |
-           R1          R3          R5          R7
-            |           |           |           |
-            +-----+     +-----+     +-----+     +-----+
-            |     |     |     |     |     |     |     |
-           R2   P_32   R4   P_37   R6   P_36   R8   P_33
-            |           |           |           |
 GND --------+-----------+-----------+-----------+-------->
 
 LED Strip controller and driver:
@@ -190,13 +188,9 @@ and the other 3 the ground connections for the corresponding LED colour.
 Part list:
 
 Resistors:
-R1............1,800 Ohm
 R2...........10,000 Ohm
-R3............1,800 Ohm
 R4...........10,000 Ohm
-R5............1,800 Ohm
 R6...........10,000 Ohm
-R7............1,800 Ohm
 R8...........10,000 Ohm
 R9............1,000 Ohm
 R10..........10,000 Ohm
@@ -454,7 +448,7 @@ def handle_events():
             exit_application()
 
     # shutdown raspberry if shutdown pin is detected
-    if GPIO.input(pin_shutdown):
+    if not GPIO.input(pin_shutdown):
         shutdown_raspberry()
 
 def exit_application():
@@ -715,7 +709,7 @@ while True:
 
         # event handling for if the start button is pushed
         #wait for the user to press start button
-        if GPIO.input(pin_start) and not pin_start_inhibit:
+        if not GPIO.input(pin_start) and not pin_start_inhibit:
             # change game state to running and not ending
             game_running = True
             game_ending = False
@@ -753,7 +747,7 @@ while True:
                 pin_start_inhibit = False
 
         # add errors if error pin is detected, only once per 500 ms
-        if GPIO.input(pin_error):
+        if not GPIO.input(pin_error):
             if not error_added:
                 errors += 1
                 error_added = True
@@ -791,7 +785,7 @@ while True:
         #pygame.display.flip()
 
         # if another push of start is detected (i.e. the game is ending!)
-        if GPIO.input(pin_stop):
+        if not GPIO.input(pin_stop):
             # change led colour to red
             change_led_colour(200, 0, 200)
 
diff --git a/pud_test.py b/pud_test.py
new file mode 100644
index 0000000..9e5e6ab
--- /dev/null
+++ b/pud_test.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+#coding=utf-8
+
+import signal
+import sys
+import os
+import time
+import RPi.GPIO as GPIO
+
+############################################
+############## END OF IMPORTS ##############
+
+# GPIO for Buttons
+pin_start = 36
+
+
+# initialise gpio
+GPIO.setmode(GPIO.BOARD)
+GPIO.setup(pin_start, GPIO.IN)
+
+while True:
+    print(GPIO.input(pin_start))
+    time.sleep(1)
+