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/ArduinoSP02 Water Sensor
patelmikin14
73 × 50 mm14 parts2LMIT0
AVR/ArduinoPCB-design for temperature monitoring
aksanall
57 × 47 mm14 parts2LNo license0
AVR/ArduinoWhy
lfgberg
19.1 × 23.3 mm14 parts2LCC-BY-NC-4.00
AVR/ArduinoPcb design
rahulnarayanan-s
75.8 × 49.4 mm14 parts4LNo license0
AVR/ArduinoOpenscex carrier
gufranco
35.6 × 43.1 mm14 parts2LMIT0
AVR/ArduinoCUBESAT PowerDistribution DHYAN M
Dhyan-M
141.5 × 97.5 mm14 parts2LNo license0
AVR/ArduinoNanoSwinSIDlives
jimbro1000
18 × 38.3 mm14 parts2LCERN-OHL-P-2.00
AVR/ArduinoPcb files
Govind2442
84.8 × 55 mm14 parts2LNo license0
AVR/ArduinoKicad Eclub session
MrigeeshAshwin
82 × 50 mm14 parts2LNo license0
AVR/ArduinoCustom-PCB-for a-DIY-SpO2-Monitor
milaa007
78 × 52 mm14 parts4LNo license0
AVR/ArduinoArduino Pro Mini XL
michpro
18.5 × 33.3 mm14 parts2LCERN-OHL-P-2.00
AVR/Arduino-VitalSync-IC-design using
Karanvaswani
184.5 × 93.5 mm14 parts2LNo license0
AVR/ArduinoQuad tic timer
lily-osp
30 × 30 mm14 parts2LNo license0
AVR/ArduinoTorch cat
HeyPCB
40.3 × 61.3 mm14 parts2LCERN-OHL-S-2.00
AVR/ArduinoArduino mini
anxndsgn
21 × 21 mm14 parts2LMIT0
AVR/ArduinoGhostly light
akornsys-rdi
30 × 30 mm14 parts2LGPL-3.00
AVR/ArduinoKiCad-Model-1-ATmega328P-Blink-Board
kyvrit05
78 × 49 mm14 parts4LNo license0
AVR/ArduinoGaz Sensor Arduino Shield
MOSH-Insa-Toulouse
68.6 × 53.3 mm14 parts2LNo license0
AVR/ArduinoSlice IOAC
feastorg
70 × 100 mm14 parts2LGPL-3.00
AVR/ArduinoQuectoDrive
edatki
15.2 × 12.1 mm14 parts2LNo license0
AVR/ArduinoJeopardy buzzer controller
pfroud
250 × 46 mm13 parts2LCERN-OHL-S-2.00
AVR/ArduinoPcb anatomy
aguirrem
32 × 24 mm13 parts2LMIT0
AVR/ArduinoAttiny202-dev board
AnOrdinaryUsername
24 × 33.5 mm13 parts2LNo license0
AVR/ArduinoDLC
Ashok-0167
42.5 × 30.5 mm13 parts2LNo license0
AVR/ArduinoArduino
gm310509
101.6 × 53.3 mm13 parts2LGPL-2.00
AVR/ArduinoDLC
gokul-rm
42.5 × 30.5 mm13 parts2LNo license0
AVR/ArduinoPlant buddy
40.3 × 127.9 mm13 parts2LCERN-OHL-S-2.00
AVR/ArduinoPcb
hibaelgoumri
50.5 × 41.5 mm13 parts2LNo license0
AVR/ArduinoSensor node
JacobFV
70 × 45 mm13 parts2LMIT0
AVR/ArduinoEcoCAN
jvtoppa
66 × 62.5 mm13 parts2LNo license0
AVR/ArduinoBuck hackathon
Kabilan-Sekar
128.5 × 65.5 mm13 parts2LNo license0
AVR/ArduinoPIMU
pepassaco
18 × 12.3 mm13 parts2LGPL-3.00
AVR/ArduinoArduino Mega
rpiEHC
101.6 × 53.3 mm13 parts2LNo license0
AVR/ArduinoRobot
ari-hartawan
50 × 60 mm12 parts2LNo license0
AVR/ArduinoMotor control validation platform
damian-EE
80 × 60 mm12 parts2LMIT0
AVR/ArduinoATTiny88 Breakout Board
mail4johnv
22.9 × 48.5 mm12 parts2LMPL-2.00
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