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/ArduinoBivalveBit RevA
millerlp
102.7 × 17.8 mm48 parts2LGPL-3.00
AVR/ArduinoWaveWise Buoy
GenerateNU
67.8 × 76.2 mm47 parts4LNo license0
AVR/ArduinoSplay right
rek
154.7 × 90.8 mm47 parts2LNo license0
AVR/ArduinoArduino
cristobalcuevas
68.6 × 53.3 mm45 parts2LNo license0
AVR/ArduinoFlySensei Stack RPi
denjos007
90 × 65 mm45 parts4LNo license0
AVR/ArduinoNolan
nolanconrad
100 × 100 mm45 parts2LNo license0
AVR/ArduinoB 250 test
eshazen
177.8 × 114.3 mm45 parts2LNo license0
AVR/ArduinoBMS Sensor
weaslepalace
80 × 30 mm44 parts2LNo license0
AVR/ArduinoAirtap
ajkumar-1907
50 × 100 mm44 parts2LMIT0
AVR/ArduinoMain
mekatronik-achmadi
133.7 × 97 mm43 parts2LNo license0
AVR/ArduinoMainboard2.0
kapibaratomo
94 × 100 mm42 parts2LNo license0
AVR/ArduinoPot board
mar0x
77.1 × 132 mm42 parts2LNo license0
AVR/ArduinoControl
krzys9876
62.7 × 35.6 mm40 parts2LMIT0
AVR/ArduinoDisplay
directionizer
64 × 64 mm40 parts2LGPL-3.00
AVR/ArduinoNM27C512 Dumper Lite
IlyaBOT
77.3 × 48 mm39 parts2LNo license0
AVR/ArduinoV4
orgTestCodacy11KRepos110MB
30 × 50 mm38 parts2LCC-BY-NC-4.00
AVR/ArduinoV4
Arkariusz
30 × 50 mm38 parts2LCC-BY-NC-4.00
AVR/ArduinoKontroler
domenipavec
147 × 78 mm38 parts2LNo license0
AVR/ArduinoV4
chipsi
30 × 50 mm38 parts2LCC-BY-NC-4.00
AVR/ArduinoOmarichet Sensor Shield 2
AfriOrbit
86.8 × 57.5 mm38 parts2LNo license0
AVR/ArduinoRouting board
robertpuccinelli
53.3 × 66 mm35 parts2LNo license0
AVR/ArduinoSchema dmp3
ANToNyS21
260 × 190 mm35 parts2LNo license0
AVR/ArduinoFan controller old
ferrybig
60 × 60 mm35 parts2LNo license0
AVR/ArduinoArduino nano fullbridge dc driver
gkeiel
91.3 × 48.6 mm35 parts2LMIT0
AVR/ArduinoMod cell 0 02 prima prova
62 × 42 mm33 parts2LCC-BY-SA-4.00
AVR/ArduinoMidi interface
marian-muenn
57.9 × 83.3 mm33 parts2LNo license0
AVR/ArduinoParticle tiny1634-pluggable module
ProgrammableMatter
37.5 × 45.7 mm33 parts2LNo license0
AVR/ArduinoMod cell 0 02 prima prova
CHIBOY12
62 × 42 mm33 parts2LNo license0
AVR/ArduinoRc car remote
qb-creates
120 × 48 mm31 parts2LMIT0
AVR/ArduinoStardust
simle-stardust
115 × 75 mm30 parts2LMIT0
AVR/ArduinoFlowcontrol old
bl433
152.7 × 138.5 mm29 parts2LMIT0
AVR/ArduinoEFM
pbbp0904
49.2 × 57 mm29 parts2LMIT0
AVR/ArduinoPower panic
sl1pkn07
40 × 26 mm27 parts2LNo license0
AVR/ArduinoIncuTester
alazifi
128.7 × 74.6 mm27 parts2LNo license0
AVR/ArduinoNano original
feastorg
43.2 × 18 mm26 parts2LGPL-3.00
AVR/ArduinoIO NRF minimal
crlab3
52 × 33 mm26 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