diff --git a/testaukset.py b/testaukset.py
index a9905cd..d4ea429 100644
--- a/testaukset.py
+++ b/testaukset.py
@@ -1 +1,12 @@
-print("testi")
+import time
+from grove.gpio import GPIO
+
+led = GPIO(5, GPIO.OUT)
+button = GPIO(6, GPIO.IN)
+
+while True:
+    if button.read():
+        led.write(1)
+    else:
+        led.write(0)
+    time.sleep(0.1)