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/ArduinoJulkort-Starterkit
CASE-Association
97 × 65.9 mm20 parts2LGPL-3.03
AVR/ArduinoXPS:Channel:Controller
yu2924
40.6 × 30.5 mm20 parts2LCC0-1.03
AVR/ArduinoLaunchController
tokai-student-rocket-project
150 × 100 mm153 parts2LMIT2
AVR/ArduinoPortablePi v7 para capturas de pantalla
lucahttp
101.6 × 141.1 mm60 parts2LNo license2
AVR/ArduinoControlBoardT4 DFminiSound PowerAmp
synthesissolutions
72.6 × 89.1 mm56 parts4LNo license2
AVR/ArduinoMatrix-7seg8-x02-x06
McbeEringi
95 × 100 mm51 parts2LMIT2
AVR/ArduinoWBO2
rusefi
67.4 × 40.6 mm51 partsNo license2
AVR/ArduinoYmp2
Elektroniikkakerho
70.4 × 47 mm42 parts2LGPL-3.02
AVR/ArduinoWatch old
sulkith
37.8 × 37.8 mm33 parts2LMIT2
AVR/ArduinoArdui89 UNO 32X
Cyrillinux
68.8 × 53.5 mm30 parts2LNo license2
AVR/ArduinoPwm esc
ChipCE
75.2 × 40.1 mm29 parts2LGPL-3.02
AVR/ArduinoKeypad
PurkkaKoodari
100 × 100 mm26 parts2LMIT2
AVR/ArduinoCount
mschuldt
34.3 × 77.5 mm21 parts2LNo license2
AVR/ArduinoTorchic
lindamao-waterloop
42.2 × 25.4 mm21 parts2LNo license2
AVR/ArduinoV0.2 Rough Draft
ARTS-Laboratory
32.6 × 97.2 mm15 parts2LCC-BY-SA-4.02
AVR/ArduinoCpm43
BenjaminJAnderson
232.2 × 76.7 mm184 parts2LNo license1
AVR/ArduinoMso5k panel-2019-03-20
flesniak
100 × 100 mm125 parts2LNo license1
AVR/ArduinoLaptreus v2.2-backup
kitsunekeyboards
285 × 95.1 mm121 parts2LMIT1
AVR/ArduinoRoom hub
lucanastasio
50 × 50 mm121 parts2LNo license1
AVR/ArduinoZeus
formicidae-tracker
80 × 45 mm81 parts2LNo license1
AVR/ArduinoALaMode v3
wyolum
85.1 × 55.9 mm76 partsNo license1
AVR/ArduinoBornean orangutan
KingMalur
95.3 × 95.3 mm65 parts2LNo license1
AVR/ArduinoEngineManagement
ieb
97 × 56.1 mm59 parts2LNo license1
AVR/ArduinoDoor if2
zam-haus
65 × 56.5 mm50 parts2LGPL-3.01
AVR/Arduino4s2p 18650 Mount, BMS with Power Distribution Circuit
Wierdwizard2587
165.7 × 94.8 mm36 parts2LNo license1
AVR/ArduinoLidar
le-flav-b
40 × 37 mm35 parts2LNo license1
AVR/ArduinoPcb1
odobot
93.1 × 79.3 mm34 parts2LNo license1
AVR/ArduinoMoonshot
sparkerBCI
109.2 × 66.3 mm30 parts2LNo license1
AVR/ArduinoSmt oven 120AC
ntchris
48.9 × 49.5 mm28 parts2LGPL-3.01
AVR/ArduinoMicrocontroller
manpreet-singh
54.6 × 20.6 mm25 parts2LGPL-3.01
AVR/ArduinoAmplifier board
marekpechal
91 × 56 mm24 parts2LNo license1
AVR/ArduinoAnalog Panel
Plasmarobo
80 × 44.5 mm24 parts2LCC-BY-NC-4.01
AVR/ArduinoServo driver
ksmonkey123
44.5 × 33.7 mm23 parts2LMIT1
AVR/ArduinoPrototyping Slice
LOEWE-emergenCITY
100 × 100 mm22 parts2LNo license1
AVR/ArduinoDCC Decoder Shield
acwright
55 × 55 mm19 parts2LMIT1
AVR/ArduinoThermovest
pmacik
36.3 × 60.1 mm18 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