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/Arduino8view
magik6k
25.9 × 35.6 mm43 parts4LCustom license3
AVR/ArduinoMicArrayFinal
dylanzodrow
183.4 × 183.4 mm41 parts2LNo license3
AVR/ArduinoSoil sensor kicad tht
ArtoLabs
22.5 × 88.1 mm29 parts2LMIT3
AVR/ArduinoSpeedyMAP
PyroMix62
100 × 100 mm27 parts2LNo license3
AVR/ArduinoMCU Data Logger
AhmedAbo-Eita
48.5 × 33 mm25 parts4LNo license3
AVR/ArduinoTxboard
wlowi
84.6 × 49.5 mm24 parts2LMIT3
AVR/ArduinoMicro mouse prashant
prashantbhandary
95.8 × 73 mm22 parts2LNo license3
AVR/ArduinoJulkort-Blank
CASE-Association
0.8 × 0.8 mm20 parts2LGPL-3.03
AVR/ArduinoKombo nrf24 atmega8 min
MelexinVN
15.9 × 29.6 mm20 parts2LGPL-3.03
AVR/ArduinoFM radio atmega 8
411568
77.5 × 52.1 mm19 parts2LMIT3
AVR/ArduinoNode
aetas
41 × 44 mm14 parts2LMIT3
AVR/ArduinoCOCHE COMPETENCIA
OttoDotto
75 × 65 mm13 parts2LNo license3
AVR/ArduinoLaunchController2.0
tokai-student-rocket-project
150 × 100 mm180 parts2LMIT2
AVR/ArduinoRr dev board
frep
100 × 80 mm100 parts2LNo license2
AVR/ArduinoDigital
Synthron
160 × 100 mm99 parts2LNo license2
AVR/ArduinoTeslaController
kavionic
71 × 95 mm93 parts2LGPL-3.02
AVR/ArduinoSUDI - Split Ergonomic Keyboard
ahsanu123
204.9 × 155.4 mm92 parts2LMIT2
AVR/ArduinoVIA I/O Card
rjhelms
99.1 × 78.7 mm69 parts2LNo license2
AVR/ArduinoATTinyBreakOut DFRobot Amp
synthesissolutions
72.6 × 47.5 mm62 parts4LNo license2
AVR/ArduinoMb n boost
McbeEringi
100 × 86 mm60 parts2LMIT2
AVR/ArduinoMain board S8S1
Adept666
114.3 × 86.4 mm43 parts2LGPL-3.02
AVR/ArduinoProse
Elektroniikkakerho
53.6 × 57.6 mm42 parts2LGPL-3.02
AVR/ArduinoFLIGHT CONTROLLER REV 3
justraven
70.4 × 50.3 mm41 parts2LMIT2
AVR/ArduinoArdui89 UNO 5X
Cyrillinux
68.8 × 53.5 mm40 parts2LNo license2
AVR/ArduinoMulti channel
LilyTronics
80 × 60 mm37 parts2LGPL-3.02
AVR/ArduinoWatch wrong
sulkith
34.7 × 34.7 mm35 parts2LMIT2
AVR/ArduinoModule base
PurkkaKoodari
100 × 100 mm29 parts2LMIT2
AVR/ArduinoUV Exposure Box - Controller Board
Cylindric3D
99.1 × 56.5 mm27 parts2LNo license2
AVR/ArduinoBrakeActuator
lindamao-waterloop
38.1 × 25.4 mm26 parts2LNo license2
AVR/ArduinoCherrycount
AresEnsea
97.1 × 91.5 mm24 parts2LNo license2
AVR/ArduinoWhile
mschuldt
34.3 × 77.5 mm22 parts2LNo license2
AVR/ArduinoV0.1
ARTS-Laboratory
32.6 × 97.2 mm15 parts2LCC-BY-SA-4.02
AVR/ArduinoPluralsight Drumkit RevB Interface
jzkmath
71.6 × 53.3 mm13 parts2LGPL-3.02
AVR/ArduinoGH60
BenjaminJAnderson
285 × 94.6 mm303 parts2LNo license1
AVR/ArduinoBlack rhino
KingMalur
271.5 × 109.5 mm147 parts2LNo license1
AVR/ArduinoHeating controller
lucanastasio
100 × 50 mm145 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