16 open source boards using the ATMEGA2560-16AU
Real designs built with the ATMEGA2560-16AU, 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/ArduinoArduino mega all pins
tomaskovacik
101.6 × 53.3 mm76 parts2LCustom license27
AVR/ArduinoArduino MEGA 2560-Rev3
bobc
101.6 × 53.3 mm69 partsNo license22
AVR/ArduinoATAPIMega
Manawyrm
100 × 100 mm59 parts4LGPL-3.018
AVR/ArduinoLeft Frame
FlightDeckDIY
29.3 × 187.1 mm120 parts4LCC-BY-NC-4.014- schematic only · 60 partsAVR/Arduino
Kicad
harry123180
60 partsNo license1 
AVR/ArduinoAraBase atmega2560
AravinthPanch
100 × 100 mm21 parts2LApache-2.016
ESP32R2 HH Controllers
greghulette
56.6 × 111 mm122 parts4LNo license2
AVR/ArduinoModbus master
magnusbpt
104 × 129 mm77 parts2LNo license0
AVR/ArduinoAtmega2560-baseboard
55.8 × 39.8 mm18 parts2LApache-2.016
ESP32R2D2 LED Controller
123 × 78 mm94 parts4LNo license2
AVR/ArduinoOcelot vA4
turboedge
80 × 99.8 mm123 parts2LGPL-2.0107
ESP32R2D2 LED Controller
123 × 78 mm94 parts4LNo license2
ESP32C3P0 Controller V1.1
151.2 × 82.9 mm43 parts4LNo license2
AVR/ArduinoMegaProgrammer
clydeshaffer
89 × 93 mm32 parts4LNo license146
ESP32Sabe-FullSized
67.9 × 86.3 mm23 parts4LNo license2
ESP32Wireless3.0
57.5 × 71.5 mm7 parts2LNo license2
The ATMEGA2560-16AU in open source designs
The gallery holds 16 open source boards using the ATMEGA2560-16AU from 10 GitHub repositories; a typical one measures about 100 × 86.3 mm and carries around 65 components.
57% use four copper layers or more, and 25% carry an open source license.
The most starred is MegaProgrammer by clydeshaffer.
Parts used alongside the ATMEGA2560-16AU
Microcontrollers on boards using the ATMEGA2560-16AU
What boards using the ATMEGA2560-16AU are built for
ATMEGA2560-16AU: common questions
Where can I find a ATMEGA2560-16AU reference design?
Each of the 16 boards on this page is a real design using the ATMEGA2560-16AU. 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 ATMEGA2560-16AU use?
Most are built on AVR/Arduino (10) and ESP32 (6).
How big is a typical board using the ATMEGA2560-16AU?
The median is 100 × 86.3 mm, and 43% are two-layer designs.
What is the most popular open source board using the ATMEGA2560-16AU?
By GitHub stars, MegaProgrammer by clydeshaffer, with 146 stars.
Can I simulate one of these boards using the ATMEGA2560-16AU 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.