Sådan en video/audio ledning
https://learn.adafruit.com/system/assets/assets/000/017/963/large1024/raspberry_pi_277-00.jpg?1405319661
https://www.google.dk/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fwww.raspberrypi.org%2Fforums%2Fviewtopic.php%3Ff%3D91%26t%3D83446&ei=JOfZVPLOK47YPMwH&bvm=bv.85464276,d.ZWU&psig=AFQjCNG8HDQQGPNUkPdydf7MaASWVGDj1g&ust=1423652998536699
https://cms-assets.tutsplus.com/uploads/users/31/posts/21821/image/4poleAV2.png
http://computers.tutsplus.com/tutorials/the-raspberry-pi-b-explored-and-explained–cms-21821
hvis det er en PI+ eller PI 2
