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/ArduinoDriverino
weirdgyn
26 × 41 mm73 parts2LGPL-3.06
AVR/ArduinoController board
andia89
69 × 54 mm73 parts2LNo license6
AVR/ArduinoNanit
andykarpov
31.2 × 53.3 mm73 parts2LNo license6
AVR/ArduinoNano Lambda
chaosteam
22.2 × 47 mm70 parts2LNo license6
AVR/ArduinoPiLeven
freetronics
84.5 × 56 mm67 parts2LTAPR-OHL-1.06
AVR/ArduinoMhi xy bus
iblue
91.4 × 40.6 mm66 parts2LNo license6
AVR/ArduinoTaggerMainboard
Infinitag
158 × 34 mm55 parts2LNo license6
AVR/ArduinoMokaboard
troisiemetype
60 × 60 mm52 parts2LNo license6
AVR/ArduinoOCMC
gubareve
88.8 × 165 mm47 parts2LBSD-3-Clause6
AVR/ArduinoSmart penetrometer v0.4.0
ARTS-Laboratory
33 × 74.9 mm44 parts2LCC-BY-SA-4.06
AVR/ArduinoCc hw arduino shield
mod-audio
68.6 × 53.3 mm41 parts2LNo license6
AVR/ArduinoAmstrad cpc6128 romboard
bmpc
119.6 × 123.9 mm40 parts2LNo license6
AVR/ArduinoTutelPad
0xCB-dev
61.9 × 65.9 mm38 parts2LCustom license6
AVR/ArduinoPlatypus
ManiacalLabs
75 × 57 mm38 parts2LCERN-OHL-1.26
AVR/ArduinoFlight computer
wFairmanOlin
30 × 40 mm36 parts2LNo license6
AVR/ArduinoLoRa Dev Board RN2483
Open-Things-Network
63.5 × 43 mm35 parts2LMIT6
AVR/ArduinoMZ-1500 SD
yanataka60
114.8 × 104.4 mm33 parts2LMIT6
AVR/ArduinoHandystick panel
kjoller
49.5 × 45 mm25 parts2LCERN-OHL-1.26
AVR/ArduinoCart Ctrl Board v3
JohnSutley
152 × 82.2 mm25 parts2LNo license6
AVR/ArduinoSmartElevatorSystem
anwaypimpalkar
52.1 × 107.8 mm24 parts4LNo license6
AVR/ArduinoVideopaccart
bwack
99.6 × 101.5 mm23 parts2LNo license6
AVR/ArduinoMZ-700 SD
100 × 100 mm21 parts2LMIT6
AVR/ArduinoWhitebox t2-oshw
whitebox-labs
68.6 × 53.3 mm19 parts2LCC-BY-SA-4.06
AVR/ArduinoTVBGone
curiouselectric
55 × 33 mm17 parts2LMIT6
AVR/ArduinoFabISP-USBtinyISP-ATtiny44
abdontroche
54.4 × 26 mm16 parts2LMIT6
AVR/ArduinoStar necklace attiny13 smd
ANG13T
56.3 × 55.7 mm15 parts2LNo license6
AVR/ArduinoMagspoof-1
vaginessa
35 × 29 mm11 parts2LNo license6
AVR/ArduinoPcb knx busankoppler
klein0r
42.2 × 37.3 mm3 parts2LMIT6
AVR/ArduinoLinsight
doppelhub
169.3 × 153 mm474 parts4LGPL-3.05
AVR/ArduinoOverHead v1
stefanofinetti
313 × 206 mm345 parts4LGPL-3.05
AVR/ArduinoCBC1
Croktopus
371.5 × 147.6 mm259 parts2LGPL-3.05
AVR/ArduinoSandy 3in1
jpskenn
302.5 × 230.7 mm241 parts2LMIT5
AVR/ArduinoBATDATUNIT01
mlab-modules
136.2 × 85.9 mm206 parts2LGPL-3.05
AVR/ArduinoNova 1200 front panel
ForgottenMachines
397.5 × 119.4 mm203 parts2LNo license5
AVR/ArduinoWavelab-24G-Addon module
PA0MHE
118.5 × 94.5 mm187 parts2LMIT5
AVR/ArduinoBoardGame
jkordek1
150 × 150 mm176 parts2LNo license5
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