diff --git a/code/piplayer2.py b/code/piplayer2.py
new file mode 100644
index 0000000..34dc502
--- /dev/null
+++ b/code/piplayer2.py
@@ -0,0 +1,26 @@
+import RPi.GPIO as GPIO
+import time
+
+# photo sensor on PIN 4
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(4, GPIO.IN)
+
+# LED on PIN 17
+GPIO.setup(17, GPIO.OUT)
+GPIO.output(17, GPIO.LOW)
+
+try:
+    print('Start sensor test')
+    
+    while True:
+        time.sleep(0.25)
+        if (GPIO.input(4) == GPIO.LOW):
+            print('LOW')
+            GPIO.output(17, GPIO.LOW)
+        else:
+            print('HIGH')
+            GPIO.output(17, GPIO.HIGH)
+
+except KeyboardInterrupt:
+    print('bye')
+    GPIO.cleanup()
diff --git a/electronics/electronics.fzz b/electronics/electronics.fzz
new file mode 100644
index 0000000..bd5fd1a
Binary files /dev/null and b/electronics/electronics.fzz differ