==Codebeispiel Raspberry==
<pre class="brush: py"> import RPi.GPIO as GPIO
from time import sleep
#Initialisiert LED auf digitalen PIN 4
led = 4
GPIO.setmode(GPIO.BCM)
GPIO.setup(led, GPIO.OUT)
while True
GPIO.output(led, True)
GPIO.output(led, False)
sleep(0.5)
</pre>