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/ArduinoUltrasonic board
felixzero
61 × 61 mm26 parts2LGPL-3.07
AVR/ArduinoCFT DFP Board
alexiosc
233.4 × 280 mm186 parts2LGPL-3.06
AVR/ArduinoBaja Speedometer
UofA-BAJA
104.4 × 46.4 mm23 parts2LNo license6
AVR/ArduinoSmart penetrometer
ARTS-Laboratory
33 × 74.9 mm19 parts2LCC-BY-SA-4.06
AVR/ArduinoDriveControllerLogic
UofSSpaceTeam
85.6 × 51.9 mm66 parts2LNo license5
AVR/ArduinoVeiculo uno
xtarke
68.6 × 54.6 mm40 parts2LGPL-3.05
AVR/ArduinoPCB D
dragondgold
47 × 47 mm32 parts2LGPL-3.05
AVR/ArduinoMZ80PS2Mini
Board-Folk
56.8 × 67 mm12 parts2LNo license5
AVR/ArduinoElectron-PS2Slim
81.1 × 33.6 mm39 parts2LNo license4
AVR/ArduinoPcb tile game tile ssa
bytesizedengineering
69.3 × 60 mm36 parts2LGPL-3.04
AVR/ArduinoVGA SRAM SHIELD 1508
levvayner
162 × 54 mm31 parts4LNo license4
AVR/ArduinoTrueBypassRelayModuleMicro
kanengomibako
17.9 × 15 mm19 parts2LUnlicense4
AVR/ArduinoMySensors 2Relais
LudovicLemarinel
56 × 57 mm17 parts2LNo license4
AVR/ArduinoWp controller outline
pypilot
75.1 × 50 mm71 parts4LNo license3
AVR/ArduinoRelayTracker
bask185
41.5 × 94.5 mm68 parts2LNo license3
AVR/Arduino328 3ch can devboard
HKUST-Red-Bird-Racing-EVRT
82.8 × 55 mm68 parts2LNo license3
AVR/ArduinoThunder Plains Badge 2024
OklahomaOpenSourceHardware
88.4 × 62.5 mm48 parts2LNo license3
AVR/ArduinoControlStandShield
RobertPHeller
68.6 × 53.3 mm40 parts2LGPL-3.03
AVR/ArduinoCan game controller
uvmaero
55 × 36.5 mm30 parts2LCC-BY-SA-4.03
AVR/ArduinoMicro mouse v3.0
prashantbhandary
74 × 60.3 mm18 parts2LNo license3
AVR/ArduinoActuator board2.0
AUV-IITK
126.2 × 86.2 mm13 parts2LNo license3
AVR/ArduinoSTART MODULE
bismarx-v1
18.5 × 13 mm12 parts2LNo license3
AVR/ArduinoECG Baseboard : araBeat
AravinthPanch
40 × 100 mm4 parts2LApache-2.03
AVR/ArduinoRiscduino ATMEGA Adpater Rev1.0
dineshannayya
88.7 × 27.6 mm70 parts2LNo license2
AVR/ArduinoNametagVoltmeter
oihdesigns
88.9 × 50.8 mm66 parts4LNo license2
AVR/ArduinoPortablePi v4 USBKeyborad from zero
lucahttp
159.6 × 138.4 mm58 parts2LNo license2
AVR/ArduinoRadioPi
frep
85 × 56 mm54 parts2LNo license2
AVR/ArduinoMP3 Player
hackclub
52 × 43 mm42 parts2LNo license2
AVR/ArduinoKone
Elektroniikkakerho
49.7 × 57.8 mm41 parts2LGPL-3.02
AVR/ArduinoPwm esc panelized
ChipCE
75.3 × 80.6 mm29 parts2LGPL-3.02
AVR/ArduinoArdui89 MINI
Cyrillinux
50.2 × 44.5 mm27 parts2LNo license2
AVR/ArduinoSerial number
PurkkaKoodari
80 × 36.6 mm26 parts2LMIT2
AVR/ArduinoOptical Ring Encoder
lindamao-waterloop
46.4 × 25.6 mm20 parts2LNo license2
AVR/ArduinoV0.5.0
32.6 × 97.2 mm15 parts2LCC-BY-SA-4.02
AVR/ArduinoBevi
BenjaminJAnderson
361.3 × 97.6 mm165 parts2LNo license1
AVR/ArduinoOutput.mso5k panel-2019-03-20
flesniak
100 × 100 mm125 parts2LNo 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