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/ArduinoSolar mppt1
reivax-boucoi
100 × 100 mm133 parts4LNo license1
AVR/ArduinoCheckpoint
kitsunekeyboards
285 × 95.1 mm123 parts2LMIT1
AVR/ArduinoRepaper
wyolum
3.8 × 27.9 mm97 parts2LNo license1
AVR/ArduinoMaster
formicidae-tracker
55 × 95 mm84 parts2LNo license1
AVR/ArduinoComponent tester
kitspace
100.4 × 83 mm79 parts4LNo license1
AVR/ArduinoCAFlash
mribble
86.4 × 86.4 mm72 parts2LNo license1
AVR/ArduinoTD4dip Grove
akita11
47 × 72 mm64 parts2LMIT1
AVR/ArduinoChocobanan left
leonrat
158.9 × 92.3 mm62 parts2LNo license1
AVR/ArduinoGateway r0
WATonomous
68.6 × 53.3 mm59 parts2LNo license1
AVR/ArduinoAbuDhabi ElectronBeam
monicaespinosa
130 × 145 mm53 parts2LNo license1
AVR/ArduinoArm interface board
Roboy
189.6 × 14.6 mm48 parts2LNo license1
AVR/ArduinoRedBoard Edge Panel
sparkfun
101.6 × 38.1 mm48 parts2LMIT1
AVR/ArduinoProyecto V2(1)
NicolasSchkurko
80.5 × 85.7 mm44 parts2LNo license1
AVR/ArduinoArduino
odobot
43.3 × 50 mm41 parts4LNo license1
AVR/ArduinoRadioactivity
le-flav-b
95 × 75 mm40 parts2LNo license1
AVR/ArduinoEnvOpenTorch
Envious-Data
95.5 × 30 mm38 parts2LGPL-3.01
AVR/ArduinoTiny 2nmosfet
fademike
24.8 × 17.1 mm36 parts2LNo license1
AVR/ArduinoUsbasp
agkaminski
14 × 50.8 mm35 parts4LNo license1
AVR/ArduinoPowerSupply
LOEWE-emergenCITY
100 × 100 mm35 parts2LNo license1
AVR/ArduinoDash Right
uvmaero
78.7 × 69.2 mm34 parts2LNo license1
AVR/ArduinoSSD Panel
Plasmarobo
104.1 × 64.8 mm30 parts2LCC-BY-NC-4.01
AVR/ArduinoInterface
ksmonkey123
85.1 × 62.9 mm30 parts2LMIT1
AVR/ArduinoAlarmSimple.kicad
ntchris
70 × 52.4 mm29 parts2LGPL-3.01
AVR/ArduinoController
ukmaker
99.7 × 70 mm26 parts2LNo license1
AVR/ArduinoArduino-Pro-Mini
zymaxcii
17.8 × 33 mm24 parts2LNo license1
AVR/ArduinoDoor v1.3
pmacik
21.6 × 51.4 mm19 parts2LNo license1
AVR/Arduino74hc595
amitesh-singh
87.2 × 27.4 mm18 parts2LGPL-3.01
AVR/ArduinoNova pcb v6 logic
Ace2932
84 × 78 mm18 parts4LMIT1
AVR/ArduinoPs2 mouse to serial port adapter ISA card
knightfox75
103.8 × 87.8 mm17 parts2LMIT1
AVR/ArduinoExams2024 iis21118
Sofianopoulou
125 × 50 mm16 parts2LMIT1
AVR/ArduinoUSB Timer
Stevemwa
21.6 × 40 mm16 parts4LNo license1
AVR/ArduinoRCShield-Mod
Maddimax
88.7 × 66.3 mm14 parts2LNo license1
AVR/ArduinoCatduino
TeamMeanMachine
45.7 × 38.1 mm13 parts2LUnlicense1
AVR/ArduinoSensorBoard
SoonerRobotics
50.3 × 74 mm5 parts2LNo license1
AVR/ArduinoUltrasonic v2
elecage
59.8 × 53.5 mm4 parts2LNo license1
AVR/ArduinoKids control panel
bitsandpixels-io
68 × 65 mm4 parts2LMIT1
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