4 open source boards using the ATmega328P-PU
Real designs built with the ATmega328P-PU, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
AVR/ArduinoScout
oskitone
145.3 × 44.5 mm38 parts2LCustom license114
STM32Fipper Zero
aaakum4
126 × 70 mm70 parts4LGPL-3.08
AVR/ArduinoMotherboard
ParadigmHyperloop
196.4 × 195.1 mm262 parts2LCustom license11
AVR/ArduinoEurorack Dual Envelope Module
Len42
40.3 × 108.2 mm57 parts2LNo license50