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/ArduinoCartridge board
meadiode
96.5 × 52.6 mm4 parts4LGPL-3.08
AVR/ArduinoCryptuino02
hwreverse
43 × 35 mm24 parts2LBSD-3-Clause7
AVR/ArduinoDebugging Front Panel
alexiosc
280 × 164.6 mm165 parts2LGPL-3.06
AVR/ArduinoGeophonetdsconductschem3
ARTS-Laboratory
33 × 71.1 mm14 parts2LCC-BY-SA-4.06
AVR/ArduinoPcb tile game tile aaa
bytesizedengineering
69.3 × 60 mm34 parts2LGPL-3.04
AVR/ArduinoEinsteinTC01PS2Mini
Board-Folk
69.8 × 60.9 mm18 parts2LNo license4
AVR/ArduinoMySensors FilPilote nrf24
LudovicLemarinel
50 × 50 mm15 parts2LNo license4
AVR/ArduinoHydraulic controller
pypilot
65.8 × 90.7 mm67 parts2LNo license3
AVR/ArduinoXnetBlockUnit
bask185
51.5 × 74 mm52 parts2LNo license3
AVR/ArduinoKm ultimate badge kit
KnoxMakers
82.6 × 100 mm34 parts2LNo license3
AVR/ArduinoMicro mouse v3.1
prashantbhandary
74 × 60.3 mm18 parts2LNo license3
AVR/ArduinoArduino As Uno
RobertPHeller
68.6 × 53.3 mm8 parts2LGPL-3.03
AVR/ArduinoSatNOGS Rotator Controller v2.4
parsa-novin
100 × 80 mm66 parts2LNo license2
AVR/ArduinoTomo
kwan3217
35.6 × 55.9 mm57 parts2LGPL-2.02
AVR/ArduinoSerial usbc dip-7seg clk
McbeEringi
100 × 100 mm42 parts2LMIT2
AVR/ArduinoArk
Elektroniikkakerho
61.5 × 61.4 mm40 parts2LGPL-3.02
AVR/ArduinoStatusPanel
tokai-student-rocket-project
121 × 92 mm36 parts2LMIT2
AVR/ArduinoIO Board
MUNAKATA-EPC
85.4 × 76 mm32 parts2LNo license2
AVR/ArduinoArduino Shield
IllinoisRoboticsInSpace
115 × 75 mm21 parts2LNo license2
AVR/ArduinoDelibird
lindamao-waterloop
38.1 × 25.4 mm18 parts2LNo license2
AVR/ArduinoArdui89 USB Prog
Cyrillinux
33.5 × 25.5 mm18 parts2LNo license2
AVR/ArduinoMainboard
41.9 × 55.9 mm12 parts2LCC-BY-SA-4.02
AVR/ArduinoBakeneko-60
BenjaminJAnderson
284.7 × 94.2 mm154 parts2LNo license1
AVR/ArduinoInterrupter
iduwhux
79.3 × 97 mm80 parts2LNo license1
AVR/ArduinoNyx
formicidae-tracker
65 × 50 mm63 parts2LNo license1
AVR/ArduinoProyecto V2bckp
NicolasSchkurko
80.5 × 85.7 mm44 parts2LNo license1
AVR/ArduinoGabel
Tynogc
33 × 72 mm35 parts2LGPL-3.01
AVR/ArduinoBms test circuit
Wierdwizard2587
94.5 × 58.4 mm27 parts2LNo license1
AVR/ArduinoGasses
le-flav-b
95 × 75 mm26 parts2LNo license1
AVR/ArduinoDoor ext photorelay
zam-haus
57 × 47 mm23 parts2LGPL-3.01
AVR/ArduinoController
ksmonkey123
68.8 × 45.7 mm19 parts2LMIT1
AVR/ArduinoUsb ps2
semicontinuity
31.2 × 15.2 mm17 parts2LNo license1
AVR/ArduinoLoRaWan
LOEWE-emergenCITY
100 × 100 mm13 parts2LNo license1
AVR/ArduinoAdvent candles v 1.1
pmacik
45 × 38.6 mm10 parts2LNo license1
AVR/ArduinoIowa rover kiosk rfid
scimusmn
38.7 × 47 mm9 parts2LNo license1
AVR/ArduinoRobust io.before j20smd
lusher00
160 × 100 mm259 parts4LCustom license0
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