Lately I’ve been working a lot with Atmega328P on a custom breadboard and found it troublesome to always look up the pdf on my computer so instead I put together a nice cheat sheet and hung it up on the wall so I can check it any time I feel like it.
Enough talk, here’s the stuff:
A cheat sheet in pdf format which contains Arduino pin layout of a Atmega168/328, ATtiny44/84, ATtiny45/85, and the programming wiring setup for ATtinys with an Arduino.
And my previous cheat sheet for the BeagleBone in pdf:
They contain the images below: