3,813 open source AVR/Arduino boards
ATmega and ATtiny microcontrollers, Arduino-compatible boards and Arduino shields. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
AVR/ArduinoMF RMP Panel
stefanofinetti
142 × 83 mm115 parts2LGPL-3.01
AVR/ArduinoSO quantizer
sebastianbeyer
50 × 200 mm114 parts2LNo license1
AVR/ArduinoRadio module
tmolteno
69.7 × 37.4 mm110 parts6LGPL-3.01
AVR/ArduinoTimestamper
tomwimmenhove
75 × 100 mm110 parts2LGPL-3.01
AVR/ArduinoSkadis clock
agkaminski
327 × 95 mm110 parts2LNo license1
AVR/ArduinoKiCad Project
Hieupham0012
257.2 × 95.3 mm109 parts2LNo license1
AVR/ArduinoArduino-Due mod for-GPIO-compatible-Raspberry-Pi
radioelf
78.3 × 43.3 mm109 parts2LNo license1
AVR/ArduinoTEC2
Oerdna
100 × 100 mm108 parts4LAGPL-3.01
AVR/ArduinoSolari control
kmzbrnoI
80 × 90 mm106 parts2LNo license1
AVR/ArduinoPi top Glimmer
uChip
65 × 56 mm102 parts4LNo license1
AVR/ArduinoCremini blade atmega328p
nicklasfrahm
25 × 99 mm102 parts2LMIT1
AVR/ArduinoHandheld control
openfuckorg
176 × 72.8 mm102 parts2LNo license1
AVR/ArduinoThe Spankulator
shannon-greenlight
60.4 × 110 mm100 parts4LNo license1
AVR/ArduinoVigor22 C
jstrebel
122.9 × 70 mm98 parts2LNo license1
AVR/ArduinoIn Board Gnia
MbFredys
53 × 68 mm97 parts2LMIT1
AVR/ArduinoModulo-Two ARINC-429 Converter
morris6
100 × 100 mm97 parts2LNo license1
AVR/ArduinoEUPLA CONE CORE
PineConeMechatronics
76.2 × 54 mm95 parts2LCERN-OHL-P-2.01
AVR/ArduinoRstctlr
dancrossnyc
114.3 × 63.5 mm95 parts2LMIT1
AVR/ArduinoCar
le-flav-b
50 × 67 mm94 parts2LNo license1
AVR/ArduinoKicad lin ctrl
s59mz
183 × 110 mm94 parts2LGPL-3.01
AVR/ArduinoLoadShed
DJM0
151.2 × 89.3 mm90 parts2LMIT1
AVR/ArduinoCustom ergo keyboard
myk-src
135.9 × 82.9 mm90 parts2LNo license1
AVR/ArduinoSegment Display Board
FRC-1721
58.4 × 141 mm90 parts2LNo license1
AVR/ArduinoFP2800A-Tester
Qeteshpony
66 × 68.6 mm89 parts2LBSD-2-Clause1
AVR/ArduinoTYPING TRAINER v5
cuprice
261.1 × 81.5 mm89 parts2LMIT1
AVR/ArduinoOutFox
ShaunPrice
96.5 × 96.5 mm88 parts2LApache-2.01
AVR/ArduinoDriver 40mm atmega v0p4
floesche
40 × 40 mm88 parts4LCC-BY-4.01
AVR/ArduinoDATALOGGER01
mlab-modules
80.8 × 101.1 mm87 parts2LGPL-3.01
AVR/ArduinoArduPLC
Reiken3099
101.6 × 101.6 mm86 parts2LCC0-1.01
AVR/ArduinoBL Ctrl V2
odobot
40 × 20 mm85 parts4LNo license1
AVR/ArduinoSdraKb00
drabaioli
176.2 × 83.4 mm85 parts2LMIT1
AVR/ArduinoGrape
FrizzyElectronics
68.6 × 53.3 mm84 parts2LCustom license1
AVR/ArduinoHackerhotel-2020-hardware
badgeteam
79.7 × 139.5 mm84 parts4LCERN-OHL-P-2.01
AVR/ArduinoEvaBoard
7vgn
160 × 100 mm84 parts2LNo license1
AVR/ArduinoRemote-Antenna-Switch
EI9SP
193.6 × 95 mm82 parts2LNo license1
AVR/ArduinoArduTrxShield
generationmake
84.8 × 53 mm81 parts2LCustom license1
Browse boards by part
AMS1117-3.3 1847USBLC6-2SC6 1502RP2040 1017W25Q128JVS 654AP2112K-3.3 635ESP32-S3-WROOM-1 488TL072 446L7805 43674HC595 404TL074 404CH340C 392LM358 367Pico 356USBLC6-2P6 351AP2112K-3.3TRG1 345Arduino_Nano_v3.x 317LM7805_TO220 315ProMicro 29774LS04 285ESP32-WROOM-32 285PC817 260SRV05-4 25874LS245 257TP4056 250