The RasPiO GPIO Ruler!

• is the ideal quick reference for RPi.GPIO hacking on the Raspberry Pi in Python
• has all the most commonly used RPi.GPIO code, which can be hard to remember
• is a Raspberry Pi port identification aid (GPIO numbers and Alt functions)
• can be used as a ruler (cm/inches)
• fits easily in a pencil case, toolbox or desk tidy

*Please Note* Raspberry Pi not included