Board Connections

GPIO pinout
There seem to be hundreds of different attempts to come up with a clear understandable diagram of the Rpi GPIO pinouts, this one taken from the RasPi.TV website and includes the B+ works well for me – but I am sure not all will agree ……

gpio  inc B plus

 

Raspberry Pi Full pin functions

pi-pinout-diagram-01

Credit to ‘Particle Docs’ for this diagram

Pico

The GPIO cheat sheet is also well worth a look
http://raspi.tv/download/RPi.GPIO-Cheat-Sheet.pdf

Raspberry Pi Schematics

Schematic link