voeg gpio setup toe

dht11.py

@@ -7,6 +7,10 @@ sensor = adafruit_dht.DHT11(board.D6)
 LED_PIN = 21
 FAN_PIN = 22
 
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(LED_PIN, GPIO.OUT)
+GPIO.setup(FAN_PIN, GPIO.OUT)
+
 while True:
     try:
         temperatuur_C = sensor.temperature