4 open source boards using the ATMEGA328P-M
Real designs built with the ATMEGA328P-M, 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/ArduinoMa panelized
T3nk4I
50 × 30 mm35 parts2LGPL-2.027
AVR/ArduinoArduino-Minimal-Design
SushantSaroch13
34 × 59.6 mm33 parts2LNo license1
AVR/ArduinoUART programmer
18 × 20 mm12 parts2LGPL-2.027- schematic only · 42 partsAVR/Arduino
Ma
42 parts2LGPL-2.027
The ATMEGA328P-M in open source designs
The gallery holds 4 open source boards using the ATMEGA328P-M from 2 GitHub repositories; a typical one measures about 34 × 30 mm and carries around 34 components.
100% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.
The most starred is Ma by T3nk4I.
Microcontrollers on boards using the ATMEGA328P-M
What boards using the ATMEGA328P-M are built for
ATMEGA328P-M: common questions
Where can I find a ATMEGA328P-M reference design?
Each of the 4 boards on this page is a real design using the ATMEGA328P-M. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the ATMEGA328P-M use?
Most are built on AVR/Arduino (4).
How big is a typical board using the ATMEGA328P-M?
The median is 34 × 30 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATMEGA328P-M?
By GitHub stars, Ma by T3nk4I, with 27 stars.
Can I simulate one of these boards using the ATMEGA328P-M before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.