Boards Pinout
Since I began to play with my Arduino and my EPS8266, I constantly need to look for pinouts.
I found some cheat-sheets, under CC licence, that I will share in this post.
You will find them on the author website or with the following links.
Arduino Uno pinout
Pro mini pinout (5V and 3.3V)
Nano pinout
ESP8266
For ESP-01, EPS-12 and ESP-03
Download page