6 open source boards using the ATMEGA328-A
Real designs built with the ATMEGA328-A, 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/Arduino
LPA-hardware
taborlab
143 × 74 mm81 parts2LNo license11AVR/Arduino
Battery discharger
jkordek1
100 × 160 mm51 parts2LNo license1AVR/Arduino
Atmega328-enclosure tamper alarm
manhoosbilli1
100 × 60 mm83 parts2LNo license0AVR/Arduino
SpeedyMAP
venderbroeck
100 × 100 mm27 parts2LGPL-2.01AVR/Arduino
SpeedyMAP
PyroMix62
100 × 100 mm27 parts2LNo license3AVR/Arduino
328 3ch can devboard
HKUST-Red-Bird-Racing-EVRT
82.8 × 55 mm68 parts2LNo license3
The ATMEGA328-A in open source designs
The gallery holds 6 open source boards using the ATMEGA328-A from 6 GitHub repositories; a typical one measures about 100 × 87 mm and carries around 60 components.
100% are two-layer designs, the rest use four layers or more, and 17% carry an open source license.
The most starred is LPA-hardware by taborlab.
Parts used alongside the ATMEGA328-A
Microcontrollers on boards using the ATMEGA328-A
What boards using the ATMEGA328-A are built for
ATMEGA328-A: common questions
Where can I find a ATMEGA328-A reference design?
Each of the 6 boards on this page is a real design using the ATMEGA328-A. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the ATMEGA328-A?
The MPX4250AP, TC4424AVOA and VNLD5090-E appear in the most repositories here.
Which microcontrollers do boards using the ATMEGA328-A use?
Most are built on AVR/Arduino (6).
How big is a typical board using the ATMEGA328-A?
The median is 100 × 87 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATMEGA328-A?
By GitHub stars, LPA-hardware by taborlab, with 11 stars.
Can I simulate one of these boards using the ATMEGA328-A 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.