1 Arduino Uno (ATMEGA328P) on a breadboard Tutorial DIY project. Easy guide.
A simple tutorial on running a bare ATmega328P on a breadboard and burning its bootloader with an Arduino, though some steps may be dated.
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A simple tutorial on running a bare ATmega328P on a breadboard and burning its bootloader with an Arduino, though some steps may be dated.
Derek Molloy's walkthrough of building a bare bones Arduino on a breadboard, suggested as a cheap step towards designing custom boards.