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/ArduinoOTTOtact
cester-ino
307 × 131.2 mm224 parts2LGPL-3.02
AVR/ArduinoSatelliteController2.0
tokai-student-rocket-project
150 × 100 mm221 parts2LMIT2
AVR/ArduinoSbc 8088
miselin
243.8 × 243.8 mm206 parts4LCERN-OHL-P-2.02
AVR/ArduinoDatakortet kontrollpanelen
BathroomEpiphanies
99.1 × 99.1 mm204 partsGPL-3.02
AVR/ArduinoBalthazar-Keyboard-3
balthazar-space
290.6 × 127 mm182 parts4LCERN-OHL-S-2.02
AVR/ArduinoKeyboard-ISO
Supermagnum
377 × 162.5 mm173 parts2LCC0-1.02
AVR/ArduinoCurry2
etf-lth
82 × 50.1 mm167 partsNo license2
AVR/ArduinoMmM
wyolum
99 × 80 mm162 parts2LNo license2
AVR/ArduinoPrecision
kwan3217
76.2 × 76.2 mm156 parts2LGPL-2.02
AVR/ArduinoMainboard
MUNAKATA-EPC
120 × 120 mm151 parts2LNo license2
AVR/ArduinoZoM-Model-A
ademenev
75 × 40 mm145 parts6LNo license2
AVR/ArduinoMf3dre
Zokhoi
136 × 135 mm135 parts2LNo license2
AVR/ArduinoUtracer11
j-hoppe
132.3 × 214.1 mm128 parts4LBSD-3-Clause2
AVR/ArduinoCoquiKeyboard
coquizen
307.2 × 79 mm128 parts2LNo license2
AVR/ArduinoAutomata Generator Standard
Sirawit7205
246.4 × 127 mm121 parts2LNo license2
AVR/ArduinoTail lights
chrskly
145 × 115 mm118 parts2LNo license2
AVR/ArduinoRose
westfoxtrot
228.6 × 78 mm116 parts2LCC-BY-SA-4.02
AVR/ArduinoBakers dozen
MaxScame
247.7 × 82.6 mm114 parts2LMIT2
AVR/ArduinoBADGEr
101.6 × 78.7 mm114 parts2LNo license2
AVR/ArduinoUZ80
adzierzanowski
231.4 × 159.9 mm112 parts2LNo license2
AVR/Arduino1. PDU
SshgurkiratSingh
149.5 × 113 mm106 parts4LNo license2
AVR/ArduinoGiantKnob
mathisschmieder
100 × 70 mm105 parts2LNo license2
AVR/ArduinoAPRS Bluetooth TNC tracker
hitov
70 × 40 mm105 parts2LNo license2
AVR/ArduinoPowerBox
frep
90 × 55 mm103 parts2LNo license2
AVR/ArduinoGoobylåda - Kretskort
DanielMartensson
100 × 100 mm99 parts2LMIT2
AVR/ArduinoBackplane
PurkkaKoodari
200 × 100 mm96 parts2LMIT2
AVR/ArduinoPower Supply
adsehgal
100 × 50 mm94 parts2LNo license2
AVR/ArduinoMPPT
aati106
90.4 × 69.6 mm93 parts2LNo license2
AVR/ArduinoH bridge
Miceuz
246.4 × 163.8 mm91 parts2LApache-2.02
AVR/ArduinoRTB C13
git4dcc
80 × 40.1 mm91 parts2LApache-2.02
AVR/ArduinoPolaris4.1
porbital
95 × 99 mm90 parts2LNo license2
AVR/ArduinoPi super ups
mairas
65 × 56 mm86 parts2LBSD-3-Clause2
AVR/ArduinoSkylight
drakumus
126 × 103 mm81 parts2LNo license2
AVR/ArduinoAbx tayda
cellularmitosis
100 × 100 mm80 parts2LMIT2
AVR/ArduinoDCDC Power Control
pilotniq
46 × 81 mm76 parts2LNo license2
AVR/ArduinoServer lader
ep092
100 × 80 mm75 parts2LNo license2
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