Raspberry Pi 3B/2B/B+ GPIO Ruler V2 provides GPIO Quick Reference Ruler for Raspberry Pi 3B / 2B / B+

This GPIO Ruler is the ideal quick reference for RPi.GPIO hacking on the Raspberry Pi in Python. It has all the most commonly used RPi.GPIO code, which can be hard to remember. This Ruler can be used as both cm and inches ruler. It fits easily in a pencil case, toolbox or desk tidy.

Specifications and Features:

1. It is a rule, and it is a Raspberry Pi reference board.
2. It is an ideal quick reference for GPIO hacking on the Raspberry Pi
3. Begin your Raspberry Pi tutorial from it.
4. It can be used as both CM and Inches ruler.
5. Color: Blue.