2,438 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.
MTMatrixV3
Architeuthis-Flux
82.6 × 53.3 mm26 parts4LGPL-3.050
Ax breakout
richardeoin
19 × 16 mm28 parts2LNo license49
RP2040/RP2350GateMateA1-EVB Rev A
OLIMEX
120 × 80 mm287 parts4LGPL-3.046
Zerowriter breakout board
zerowriter
30 × 54 mm20 parts2LGPL-3.046
Clear Chip Development Board
efabless
76.2 × 73.8 mm84 parts2LNo license40
Hat gmm7550
GMM-7550
65 × 56 mm77 parts4LNo license36
Current Sensor Breakout
antevens
80.1 × 49.4 mm14 parts2LSHL-2.136
STM32Servo dev board
OpenServoCore
51.5 × 26.5 mm35 parts4LApache-2.034
A3P250 Dev Board
oresat
46 × 46 mm49 parts4LCERN-OHL-S-2.033
FPGA2019-07-06 12:29:23 fpga hat
Wren6991
65 × 56.5 mm87 parts4LApache-2.031
Arduino shield alt
cester-ino
95.3 × 41.9 mm16 parts2LGPL-3.031
USD extender male
newdigate
24.8 × 10.9 mm3 partsMIT27
Breakout and Prog
INTI-CMNB
40 × 40 mm27 parts2LBSD-3-Clause26
7seg dip wing
joshajohnson
52 × 22.9 mm9 parts2LCC-BY-NC-4.026
FullInterlockingPlantCAN
RobertPHeller
185.4 × 73.7 mm150 parts2LCC-BY-4.024
Nuclone devboard medium 2 layer USB-C UART
Squantor
50 × 76.2 mm45 parts2LMIT24
Hc245t bypass esd
cyber-murmel
10 × 10 mm5 parts2LMIT22
Helper jack
30350n
12 × 15.5 mm4 parts2LCERN-OHL-W-2.022
TI MSP430/CCCheeseDip-Castellated
upsidedownlabs
21.6 × 60 mm27 parts2LCERN-OHL-S-2.021
Xc9572 breakout
abzman
50.8 × 43.2 mm43 parts2LUnlicense19
ESP32Adafruit Feather ESP32-C6
lenaschimmel
51.7 × 29.5 mm114 parts4LNo license18
Xy register
TomNisbet
102 × 96 mm60 parts2LMIT18
STM32Baset1-media converter
azonenberg
100.5 × 62.5 mm173 parts4LBSD-3-Clause17
Kivipallur PMW3360 breakout
danbowles
22 × 25 mm8 parts2LNo license17
Spartanmini shield
jonthomasson
89 × 61 mm5 parts2LNo license17
Mf breakout-74hc4067-smd
MobiFlight
80 × 80 mm43 parts2LNo license16
TsuraraGB MIDI Adapter
rniwase
25.2 × 31 mm25 parts2LBSD-3-Clause16
XIAO Sharp LCD
bitbank2
40.1 × 31.7 mm11 parts2LApache-2.016
Raspberry PiRaspberry Pi Zero W (original)
chukhanhhoang
65 × 30 mm52 parts2LNo license14
ArduinoShieldServoMotors
michaelshiloh
68.6 × 53.3 mm14 parts2LAGPL-3.014
Mesp240 opll
hwreverse
105.7 × 129.4 mm33 parts2LMIT13
VGen
SdtElectronics
20.5 × 17.8 mm29 parts2LCERN-OHL-W-2.013
WP-2 IC-Card MRAM
bkw777
54 × 54 mm26 parts2LCustom license13
Ass shield (1-я копия)
immortalserg
80 × 80 mm151 parts2LNo license12
MounT Z88 Feather
50.8 × 22.9 mm10 parts2LGPL-3.012
Adafruit eInk Feather Friend
cgallizzi
50.8 × 22.9 mm42 parts2LMIT11
Browse boards by part
AMS1117-3.3 1196USBLC6-2SC6 983RP2040 699W25Q128JVS 421AP2112K-3.3 376TL072 339TL074 307ESP32-S3-WROOM-1 304CH340C 274L7805 271Pico 25174HC595 248USBLC6-2P6 248LM358 228AP2112K-3.3TRG1 205Arduino_Nano_v3.x 19774LS04 193LM7805_TO220 185ESP32-WROOM-32 18274LS245 171SRV05-4 169W25Q128JVSIQ 16974LS138 16274LS32 161