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/ArduinoDA2-KIT-ATmega16
ndhuy1127
150 × 110 mm53 parts2LNo license0
AVR/ArduinoProgramator
Nesta2008
194 × 139 mm53 parts2LNo license0
AVR/ArduinoVideo sight test board
Kehaar38
99.1 × 99.1 mm53 parts2LNo license0
AVR/ArduinoInvaders
anyahelene
127 × 88.9 mm53 parts2LNo license0
AVR/ArduinoDso138-sub system
minfia
163.5 × 85 mm53 parts2LMIT0
AVR/ArduinoCaiPad25
Luminat3
131.4 × 99.8 mm52 parts2LNo license0
AVR/ArduinoElec dice
pierreblavy2
127 × 94 mm52 parts2LGPL-3.00
AVR/ArduinoBinaryClock
kwame-y
60 × 30 mm52 parts4LNo license0
AVR/ArduinoFTUno
HackableElectronics
68.6 × 53.4 mm52 parts2LGPL-3.00
AVR/ArduinoCarputer
grtwall
142.5 × 99.1 mm52 parts2LCERN-OHL-P-2.00
AVR/ArduinoNSSL EFM Tracker
LeemanGeophysicalLLC
78.7 × 57.2 mm52 parts4LMIT0
AVR/ArduinoRTB D24
git4dcc
17 × 10.9 mm52 parts6LApache-2.00
AVR/ArduinoThanos Gauntlet
0101shift
76 × 76 mm52 parts2LNo license0
AVR/ArduinoPro3
Gehtschon
100 × 100 mm52 parts4LNo license0
AVR/ArduinoMacrocat
catmunch
78.7 × 97.3 mm52 parts2LMIT0
AVR/ArduinoKicaduino
jasiek
68.6 × 53.3 mm51 parts2LNo license0
AVR/ArduinoRc car panel
qb-creates
72 × 59.8 mm51 parts2LMIT0
AVR/ArduinoArduino-UNO-Clone
swapnil-maurya
68.6 × 53.4 mm51 parts2LNo license0
AVR/ArduinoPower
simle-stardust
115 × 75 mm51 parts2LMIT0
AVR/ArduinoSpeedometer hardware
gpgreen
70 × 34 mm51 parts4LNo license0
AVR/ArduinoThrottle tune
Jonny999999
74.7 × 69.1 mm51 parts2LNo license0
AVR/ArduinoControllerBoardSMDPSU
Fredovsky
139 × 34 mm51 parts2LNo license0
AVR/ArduinoMini ultrasonic
jackestar
26.1 × 15 mm50 parts2LMIT0
AVR/ArduinoCosSin
cybaer
100 × 60 mm50 parts2LNo license0
AVR/ArduinoDigitally-Controlled-Mixed-Signal-Power-Supply-
shubham7547
236.2 × 132.1 mm50 parts2LNo license0
AVR/ArduinoDisplace pf correction
kanzalhaqa
73.1 × 128.7 mm50 parts2LNo license0
AVR/ArduinoATinyStompbox
8BitMixtape
33.3 × 120 mm50 parts2LNo license0
AVR/ArduinoVoltshift
gulshanshah
170 × 100 mm50 parts2LMIT0
AVR/ArduinoDuPAL Board
OddbitCoder
113 × 78.7 mm50 parts2LCC-BY-SA-4.00
AVR/ArduinoNano shield
feastorg
68 × 53 mm50 parts2LGPL-3.00
AVR/ArduinoRobo-328p
eavcodes
90 × 78 mm50 parts2LMIT0
AVR/ArduinoBoard-Stupid
reading-hackspace
68.6 × 53.4 mm49 parts2LNo license0
AVR/ArduinoSlice VCDC
70 × 100 mm49 parts2LGPL-3.00
AVR/ArduinoThe-Armadillo
sbbxiii
60 × 60 mm49 parts4LMIT0
AVR/ArduinoMinesweeper
Shawky-MAHa
116.3 × 144.3 mm48 parts2LNo license0
AVR/ArduinoIEEE-Macropad
giannawong
98.4 × 76.2 mm48 parts2LNo 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