Where can I find a list of the GPIO pins' location on the Raspberry Pi?
I have found the following 4 images, which all contradicts each other:
- http://www.raspberrypi-spy.co.uk/wp-content/uploads/2012/06/Raspberry-Pi-GPIO-Layout.png
- http://3.bp.blogspot.com/-zwM_OmpN_SM/UBCSOk1E1PI/AAAAAAAAAQY/GJ4EsfjFcgU/s1600/GPIOs.png
- http://www.johandraaisma.nl/wp-content/uploads/pinout2.png
- http://www.cl.cam.ac.uk/freshers/raspberrypi/tutorials/turing-machine/pi_gpio.jpg
Specifically where is GPIO 4 on the Raspberry Pi model B rev. 1 (256 MB RAM)?