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.
- schematic only · 27 partsAVR/Arduino
Assistive quadruped robot
firuzakhmad
27 partsMIT0 - schematic only · 27 partsAVR/Arduino
Retro pad
Alexwatson-de
27 partsNo license0 - schematic only · 22 partsAVR/Arduino
Fan control
gajdipajti
22 partsGPL-3.00 - schematic only · 20 partsAVR/Arduino
Onepixelblecamera
aboudou
20 partsNo license0 - schematic only · 18 partsAVR/Arduino
Shot timer mk1
jfkure
18 partsGPL-3.00 - schematic only · 18 partsAVR/Arduino
Doppler speed detector
darksunnp
18 partsNo license0 - schematic only · 16 partsAVR/Arduino
CircuitRust
NTDD-code
16 partsMIT0 - schematic only · 15 partsAVR/Arduino
Kicad evaltor
attahiruj
15 partsMIT0 - schematic only · 13 partsAVR/Arduino
Plotter
alisha-develops
13 partsNo license0 - schematic only · 13 partsAVR/Arduino
RC-Rover-Platform
SahanaDil
13 partsNo license0 - schematic only · 12 partsAVR/Arduino
Nano28C64
elixpo
12 partsMIT0 - schematic only · 10 partsAVR/Arduino
EduBoard
Ploos-AS
10 partsNo license0 - schematic only · 10 partsAVR/Arduino
Front-End-Power-Protection
DannyJusvin
10 partsNo license0 - schematic only · 10 partsAVR/Arduino
Custom-Reflow-Oven
C-yue28
10 partsNo license0 - schematic only · 10 partsAVR/Arduino
Netlistquery
mmalecki
10 partsMIT0 - schematic only · 10 partsAVR/Arduino
Cnc etch a sketch
mathewpwheatley
10 partsMIT0 - schematic only · 8 partsAVR/Arduino
Tamiya ros2-autonomous
hugo-fidalgo
8 partsNo license0 - schematic only · 8 partsAVR/Arduino
Logic pro transport controller
c-coyne
8 partsNo license0 - schematic only · 8 partsAVR/Arduino
Edgeai predictive monitor
rahuljeyaraj
8 partsMIT0 - schematic only · 7 partsAVR/Arduino
Adret740A CPU
f8eho
7 partsMIT0 - schematic only · 6 partsAVR/Arduino
HardwareFinalExam
Alex-Hamblin
6 partsNo license0 - schematic only · 6 partsAVR/Arduino
Koray s obstacle detecting car
koray9012
6 partsNo license0 - schematic only · 6 partsAVR/Arduino
Project-C4
6 partsNo license0 - schematic only · 6 partsAVR/Arduino
LED-incrementer arduino
mv805
6 partsNo license0 - schematic only · 5 partsAVR/Arduino
Ntm needle biopsy
redtrek
5 partsNo license0 - schematic only · 4 partsAVR/Arduino
Irisbin
shrsauryam-spec
4 partsNo license0 
AVR/ArduinoMod cell 0 02
Green-bms
62 × 42 mm33 parts2LCC-BY-SA-4.0752
AVR/ArduinoEasyduino Atmega
Hanqaqa
68.8 × 53.6 mm35 parts4LCERN-OHL-P-2.0746
AVR/ArduinoMooltipass mini
limpkin
74.9 × 32.5 mm65 parts2LNo license528
AVR/ArduinoREVIUNG39
gtips
253.8 × 107.2 mm91 parts2LMIT516
AVR/ArduinoAvrcraft m644
cnlohr
85.1 × 49.8 mm49 parts2LNo license472
AVR/ArduinoLatest
dennisss
32 × 32 mm89 parts6LApache-2.0381
AVR/ArduinoChirp v2.4-pannel
Miceuz
141 × 90 mm19 partsNo license367
AVR/ArduinoProgramming interface
vascofazza
53.3 × 48.3 mm12 parts2LMIT314
AVR/ArduinoBattery
iam4722202468
17.8 × 26 mm10 parts2LMIT303
AVR/ArduinoNA6 v1.3
speeduino
100 × 100 mm145 parts2LNo license281
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