2,363 open source boards in Dev boards & breakouts
Development boards, breakouts, shields, HATs and carrier boards. 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.
Riscv challenge
FrankBuss
25.4 × 25.4 mm10 parts2LBSD-2-Clause1
Package breakout
cbluoss
94 × 76.2 mm10 parts2LNo license1
Sd breakout
lbthomsen
30.5 × 24.1 mm10 parts2LCustom license1
LS018B7DH02-breakout
rroels
48 × 24.3 mm10 parts2LMIT1
Teensy4 combo breakout
blackketter
22.9 × 22.9 mm10 parts2LNo license1
BME680-Breakout
Destination-SPACE
14 × 14.1 mm10 parts2LCERN-OHL-P-2.01
AVR/ArduinoAttiny48
joshnuss
20.3 × 19.3 mm10 parts2LNo license1
AVR/ArduinoAvr breadboard
alejandrogallo
33.2 × 47.9 mm10 parts2LNo license1
DevBoard NCP1090
newAM
19.7 × 17.8 mm10 parts2LMIT1
Slider potentiometer breakout hardware design
SolderedElectronics
86 × 22 mm9 parts2LTAPR-OHL-1.01
DoppelLoraModul-RaspberryPi-HAT
DJ2RF
65 × 56 mm9 parts2LMIT1
LT3032 breakout
PatrickBaus
26 × 15.4 mm9 parts2LCERN-OHL-1.21
SIT2001B-breakout
asukiaaa
10.5 × 7.6 mm8 parts2LNo license1
PAM8301 Circuit
engali94
20 × 11 mm8 parts2LNo license1
Raspberry PiNTP-Server
Qeteshpony
52 × 36.5 mm8 parts2LBSD-2-Clause1
DRV8870-breakout board
szolotykh
27 × 40 mm8 parts2LMIT1
Ffc connector board
Sedictious
100 × 100 mm8 parts2LCERN-OHL-P-2.01
Sensor
Maniek19-ENG
21 × 16 mm8 parts2LMIT1
Raspberry PiRaspberry-Pi breadboard breakout hardware design
60 × 74 mm8 parts2LTAPR-OHL-1.01
Sht45-qt
FrancoSpitale
25.4 × 20.3 mm7 parts2LMIT1
ESP32YY1705K1A0-ST7735S-breakout
ahmedbarakat207
34 × 53 mm7 parts2LMIT1
ST4Breakout
tvarnish
48.3 × 30.5 mm7 parts2LNo license1
Traffic lights vehicle
rsedak
21 × 55.5 mm7 parts2LCustom license1
Dm13a breakout board
neilenns
50 × 50 mm7 parts2LMIT1
Riotee SolarShield
NessieCircuits
55.9 × 25.4 mm7 parts2LCERN-OHL-W-2.01
PCB Portfolio
abhishekxece
34.3 × 19 mm7 parts2LMIT1
Ca18det ecu breakout
ziraw
62.5 × 152 mm7 parts2LNo license1
Nanoshield
Unixware
73.7 × 54.5 mm7 parts2LMIT1
AD5254Breakout
20.6 × 18 mm6 parts2LNo license1
Wsen tids breakout board
B48D81EFCC
17.1 × 7.9 mm6 parts2LNo license1
Traffic lights pedestrian
21 × 45.3 mm5 parts2LCustom license1
Traffic lights railroad crossing
21 × 53.1 mm5 parts2LCustom license1
Sd breakout
dkonigsberg
31.1 × 27.9 mm5 parts2LCC-BY-SA-4.01
Acorn Electron 128K banked Flash ROM Cartridge
dboddie
84.9 × 62.5 mm5 parts2LNo license1
PY32F002 ESSOP10 minimal board
michpro
11.2 × 16.3 mm5 parts2LCERN-OHL-P-2.01
Rpi
hjalte33
142.2 × 64.8 mm5 parts2LNo license1
Browse boards by part
AMS1117-3.3 1069USBLC6-2SC6 866RP2040 632W25Q128JVS 394TL072 319AP2112K-3.3 313TL074 281ESP32-S3-WROOM-1 268CH340C 249L7805 229Pico 22174HC595 218USBLC6-2P6 206LM358 20074LS04 180AP2112K-3.3TRG1 179ESP32-WROOM-32 169LM7805_TO220 167SRV05-4 165Arduino_Nano_v3.x 16474LS245 160W25Q128JVSIQ 15774LS138 15574LS32 152