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/ArduinoMotor board v3
felixzero
62 × 34 mm71 parts4LGPL-3.07
AVR/Arduino20200103 8SBMS A0
simple-ee
55.9 × 49.7 mm70 partsMIT7
AVR/ArduinoIntAna
radioelf
66.2 × 63.5 mm69 parts2LNo license7
AVR/ArduinoSDRBackup
KonradMcClure
100 × 100 mm69 parts2LNo license7
AVR/ArduinoUnrouted
plertvilai
44.5 × 57.8 mm63 parts2LMIT7
AVR/ArduinoMySensorsNode
fallberg
50 × 50 mm58 parts2LCERN-OHL-1.27
AVR/ArduinoHmw01
hwreverse
50 × 68 mm43 parts2LBSD-3-Clause7
AVR/ArduinoCAN2Serial
AugustoS97
67.3 × 52.1 mm33 parts2LGPL-3.07
AVR/ArduinoATtiny 816/1616 Minibadge Devboard
Pips801
19 × 16.8 mm12 parts2LNo license7
AVR/ArduinoUSBEMBEDED
RedBulletTooling
41.7 × 17.6 mm33 parts2LApache-2.06
AVR/ArduinoController double
yamamotsu
50 × 48 mm31 parts2LNo license6
AVR/ArduinoGeophonetdsconductschem2
ARTS-Laboratory
33 × 73.7 mm22 parts2LCC-BY-SA-4.06
AVR/ArduinoTravis num2024
dieseltravis
85.2 × 137.8 mm81 parts2LCustom license5
AVR/ArduinoP4vert
keyaki-namiki
99.5 × 99.5 mm65 parts2LMIT5
AVR/ArduinoVeiculo uno
xtarke
68.6 × 54.6 mm40 parts2LNo license5
AVR/ArduinoEasyPCB 10 RFM69hw
sundberg84
50 × 49.9 mm30 parts2LNo license5
AVR/ArduinoMZ80MAX
Board-Folk
100 × 55 mm22 parts2LNo license5
AVR/ArduinoImu board
BUNPC
16 × 8 mm10 parts4LNo license5
AVR/ArduinoArduino As Uno
LUMERIIX
68.6 × 53.3 mm8 parts2LNo license5
AVR/ArduinoVGA SRAM SHUIELD DOUBLE BUFFER
levvayner
125 × 53.5 mm44 parts6LNo license4
AVR/ArduinoOutput.uc101panel
joshajohnson
100.1 × 99.6 mm39 parts2LNo license4
AVR/ArduinoPcb tile game tile aoa
bytesizedengineering
69.3 × 60 mm38 parts2LGPL-3.04
AVR/ArduinoMySensors 8RelaisReed
LudovicLemarinel
81.3 × 59.7 mm34 parts2LNo license4
AVR/ArduinoCat ball
zyyan20h
35 × 34.7 mm31 parts2LNo license4
AVR/ArduinoTemperature
boanjo
45.4 × 89.9 mm30 parts2LNo license4
AVR/ArduinoAT90S1200/AT90S2313 demo board
atoomnetmarc
99.1 × 99.1 mm30 parts2LApache-2.04
AVR/ArduinoKamaji classic v1
iley
100 × 100 mm27 parts2LMIT4
AVR/ArduinoLynx-PS2
75.9 × 76.5 mm23 parts2LNo license4
AVR/ArduinoFree Flier
danielwilczak101
40.9 × 28.7 mm19 parts2LNo license4
AVR/ArduinoDz TapeDelay Control
dzavalishin
106.7 × 58.4 mm110 parts2LNo license3
AVR/ArduinoUno hat dev
Charmander542
155 × 58.1 mm98 parts2LNo license3
AVR/ArduinoAdafruit Circuit Playground
humancomputerintegration
61 × 60 mm78 parts16LGPL-3.03
AVR/ArduinoWp controller
pypilot
75.1 × 50 mm77 parts4LNo license3
AVR/ArduinoChordOdes
oficinadesonido
30.8 × 111.2 mm52 parts2LGPL-3.03
AVR/ArduinoDual port SRAM Board
ja1umi
155 × 114 mm48 parts2LMIT3
AVR/ArduinoFanBoy
uvmaero
90.7 × 58.4 mm45 parts2LCC-BY-SA-4.03
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