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/ArduinoOhmmeter-Zabex
jlegen
82.4 × 92.3 mm33 parts2LNo license0
AVR/ArduinoSumoBot v1
choicebuilds
88 × 60 mm33 parts4LNo license0
AVR/ArduinoArduino nano kicad design
Hirusha785
45.7 × 19.5 mm33 parts4LNo license0
AVR/ArduinoNanro uno
rmingon
34 × 33 mm33 parts2LNo license0
AVR/ArduinoMini data capture
GaitRehabilitation
17.5 × 29.5 mm33 parts2LApache-2.00
AVR/ArduinoArduino nano clone
riteshh27
54 × 24.6 mm33 parts2LNo license0
AVR/ArduinoArduino-Nano-Project
MaheshChowdaryDamuluri
40.8 × 18.2 mm33 parts4LMIT0
AVR/ArduinoArduino nano custom board
marwantm
46.5 × 19.6 mm33 parts2LNo license0
AVR/ArduinoExtruder ctrl circuits
biodigitalmatter
68.6 × 58 mm33 parts4LNo license0
AVR/ArduinoArduino-Nano custom
bhuvi-777
40.8 × 18.2 mm33 parts4LMIT0
AVR/ArduinoAutopilot
ieb
64 × 78 mm33 parts2LNo license0
AVR/ArduinoProgrammable-Load
ketszim97
99.1 × 50.8 mm33 parts2LNo license0
AVR/ArduinoSplit-Flap-Display
oli4wolf
97.8 × 71.1 mm33 parts2LGPL-3.00
AVR/ArduinoGardener
picaoid
96 × 74 mm33 parts2LNo license0
AVR/ArduinoKiCad-Prime-D
florida-space-institute-nc-lab
68.6 × 53.3 mm33 parts2LNo license0
AVR/ArduinoPower-Consumption-Meter-Version-A
andres-garcia-alves
99.1 × 113 mm33 parts2LGPL-3.00
AVR/ArduinoCalcwriter logic
kaemori
27.3 × 37.3 mm33 parts2LMIT0
AVR/ArduinoDL-FinalProject
adbik4
57 × 55.8 mm33 parts2LNo license0
AVR/ArduinoController mb inh ptt
c3h9dx
115 × 69.8 mm33 parts2LNo license0
AVR/ArduinoStepper motor controller
FibStack
65 × 56.5 mm32 parts2LCustom license0
AVR/ArduinoRf room sensor hw
dselcan
50.8 × 44 mm32 parts2LBSD-3-Clause0
AVR/ArduinoLightmeter
empdo
34.5 × 34.5 mm32 parts2LNo license0
AVR/ArduinoDMX2SGM
Gabse
66.5 × 90.9 mm32 parts2LCC-BY-NC-4.00
AVR/Arduino2x4Keypad
ConnorBelman
122.5 × 62.5 mm32 parts2LNo license0
AVR/ArduinoAvr basic sbc
bazsimarkus
94 × 55 mm32 parts2LNo license0
AVR/ArduinoMain board
ARTS-Laboratory
40.6 × 82.6 mm32 parts2LCC-BY-SA-4.00
AVR/ArduinoNebulizer20x10
OfficeChromatography
99.1 × 62 mm32 parts2LNo license0
AVR/ArduinoPocketCube
nvargas24
57.8 × 54.2 mm32 parts2LNo license0
AVR/ArduinoSlice GDHB
feastorg
70 × 100 mm32 parts4LGPL-3.00
AVR/Arduino4x8x8-LED-Matrix-Clock-KLP5e
futureshocked
100 × 50 mm32 parts2LMIT0
AVR/Arduino6502puter
frankbartunek
208.5 × 78.7 mm32 parts2LNo license0
AVR/ArduinoToothEater-HW-THT
BlackbirdStandalone
44 × 44 mm32 parts2LCERN-OHL-S-2.00
AVR/ArduinoLed pwm-4bit
hyiger
40 × 30 mm32 parts2LNo license0
AVR/ArduinoMain Board
jackwangxyw
75 × 45 mm32 parts4LCC-BY-NC-4.00
AVR/ArduinoArduino Nano
MartinChauveliere
18 × 43.2 mm32 parts2LNo license0
AVR/ArduinoThermistor-Remapper
Cxmrykk
40 × 57 mm31 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