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/ArduinoVend matrix
CCHS-Melbourne
133 × 53.9 mm47 parts2LNo license1
AVR/ArduinoChickencoop3.2
vinthewrench
130 × 100 mm47 parts2LMIT1
AVR/ArduinoRugrover
adamgreen
117.7 × 100.9 mm46 parts4LNo license1
AVR/ArduinoController
listofoptions
198.2 × 38.1 mm45 parts2LGPL-2.01
AVR/ArduinoLED-Relay
mikelawrence
38.1 × 19.1 mm45 parts2LMIT1
AVR/ArduinoDasduino-LITE-hardware design
SolderedElectronics
25.9 × 38 mm45 parts2LTAPR-OHL-1.01
AVR/ArduinoCeleste
wyolum
80 × 80 mm45 parts2LMIT1
AVR/ArduinoUSB-Powered fan-Controller
FoxhoodDesigns
38 × 31.5 mm44 parts2LMIT1
AVR/ArduinoAPL1
acwright
150 × 100 mm44 parts2LCERN-OHL-P-2.01
AVR/ArduinoShield-B
rsedak
69.1 × 53.9 mm44 parts2LCustom license1
AVR/ArduinoDiy ert
CainPatel
127 × 117.5 mm44 parts2LMIT1
AVR/ArduinoAAQuad-Evolution
Fberbari
55.6 × 48.8 mm43 parts2LMIT1
AVR/ArduinoLogic
Keisuke063
50 × 50 mm43 parts4LNo license1
AVR/ArduinoDash Left
uvmaero
86.4 × 76.2 mm42 parts2LNo license1
AVR/ArduinoIncubator
MariwanJ
124 × 70.2 mm42 parts2LGPL-3.01
AVR/ArduinoShield-A V2.0.1
68.8 × 53.6 mm42 parts2LCustom license1
AVR/ArduinoBadge-2018
pdxbadgers
94.7 × 67.7 mm41 parts2LNo license1
AVR/ArduinoUlang sys res
lonapse456-glitch
84.2 × 86.4 mm41 parts2LNo license1
AVR/ArduinoCPRPal
Will946
78.8 × 71.9 mm41 parts2LMIT1
AVR/ArduinoDesklamp
brainsmoke
96 × 96 mm41 parts2LNo license1
AVR/ArduinoCC SSD 02
attachix
66 × 58.4 mm40 parts2LCC-BY-NC-4.01
AVR/ArduinoE-C-Subteam-Bucknell-Baja
ACherniske
53 × 40.9 mm40 parts2LMIT1
AVR/ArduinoRpi with supply
cnlohr
65 × 56 mm39 parts2LMIT1
AVR/Arduino2019 USBasp
uwezi
53.3 × 34.3 mm39 parts2LGPL-3.01
AVR/ArduinoPanoBoard
TomNaiser
63.6 × 72.4 mm39 parts2LMIT1
AVR/ArduinoController
bieber
90 × 65 mm38 parts2LGPL-3.01
AVR/ArduinoAtMega Dev Boards
adsehgal
100 × 100 mm38 parts2LNo license1
AVR/ArduinoPipette tool
rodrigue-laboratory
56 × 81.5 mm38 parts2LBSD-3-Clause1
AVR/ArduinoSumec-Remote
bismarx-v1
75 × 40 mm38 parts2LNo license1
AVR/ArduinoKicad workshop
spacekookie
50 × 50 mm37 parts2LMIT1
AVR/ArduinoHagiwoHatNoise SMT
fablabnk
30 × 106 mm37 parts2LNo license1
AVR/ArduinoTransmitter
damianmoore
63 × 40.6 mm37 parts2LNo license1
AVR/ArduinoStepperMotorControllerBoard
Case-Rocket-Team
39 × 39.4 mm37 parts2LNo license1
AVR/ArduinoMercury2020
ksurct
99.1 × 99.1 mm37 parts2LApache-2.01
AVR/ArduinoRCShield
Maddimax
88.7 × 97.5 mm37 parts2LNo license1
AVR/ArduinoLightning Detector
flooklab
73.7 × 78.7 mm37 parts2LCustom license1
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