2,573 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.
TQFP32 to DIP32 Breakout Board
vul-os
40.6 × 17.8 mm6 parts2LApache-2.055
Caravel 3.3V Development Board
efabless
76.2 × 73.8 mm68 parts2LNo license40
Afterglow 3.0 Pinbender Hat
bitfieldlabs
64.4 × 81 mm8 parts2LNo license32
FPGA2019-07-07 17:33:00 fpga hat
Wren6991
65 × 56.5 mm87 parts4LApache-2.031
NXPLPC1768-MultiIOBoard
RobertPHeller
141 × 146.1 mm106 parts2LCC-BY-4.024
Nuclone devboard medium 2 layer USB-C data
Squantor
50 × 76.2 mm35 parts2LMIT24
Backplane
TomNisbet
360 × 128 mm42 parts2LMIT18
Tragiclaser phy
azonenberg
105 × 28.5 mm79 parts4LBSD-3-Clause17
PICO Shield
Aightech
22 × 52.5 mm3 parts4LGPL-3.017
MAX7219-breakout board
MobiFlight
80 × 80 mm28 parts2LNo license16
CH32V003 Breakout
bitbank2
19.4 × 27.2 mm3 parts2LApache-2.016
Raspberry PiPROMETHEUS-1 Ground Station
AFS-pt
65 × 45 mm26 parts2LNo license15
AVR/ArduinoMega nRF feedthrough
michaelshiloh
99.3 × 53.6 mm7 parts2LAGPL-3.014
PCA9685brk
SdtElectronics
30 × 20.6 mm20 parts2LCERN-OHL-W-2.013
WP-2 IC-Card BUS TAP
bkw777
59.4 × 81.9 mm4 parts2LCustom license13
Raspberry PiBabana pi
immortalserg
79.4 × 79.4 mm7 parts2LNo license12
Raspberry PiPi-Hat
FYNCH-BIO
65 × 56 mm28 parts2LNo license11
BarnacleBoard
Architeuthis-Flux
84.5 × 63.4 mm20 parts2LMIT10
RISC-VCh32v00x promicro
74th
17.8 × 33 mm17 parts2LMIT10
AVRISP10 breakout
dbuchwald
17.8 × 17.8 mm3 parts2LMIT10
ESP32ESP32-C3-MINI-1-panelized
20.3 × 31.1 mm21 parts2LMIT8
BRK-SSOP-18-6x7.4-P0.8
Gekkio
24 × 35.3 mm3 parts2LCC-BY-4.06
STM32DEVboard1
NTURacingTeam
100 × 100 mm170 parts2LNo license4
AVR/ArduinoFilter shield
OE9SAU
101.6 × 53.4 mm27 parts2LNo license4
DIM VPS8701 PushPullConv tiled
73.3 × 55.1 mm17 parts2LMIT4
AVR/ArduinoPi HAT V4 Simple
danielwilczak101
78.1 × 71.3 mm8 parts2LNo license4
Uno Shield DSP Class v1
gfm16617
83.8 × 53.3 mm44 parts2LNo license3
RP2040/RP2350Pi mini zero adapter
damercer
65.4 × 54.6 mm33 parts2LCC-BY-SA-4.03
AVR/ArduinoDMM Feather Redux
oihdesigns
85.5 × 47.4 mm60 parts4LNo license2
Breakout 112pin Connector
rusefillc
174 × 58 mm39 parts2LGPL-3.02
Breakout 112pin Connector
rusefi
174 × 58 mm39 parts2LNo license2
TI-MSP-KICAD9-TUTORIAL
Monacrylic
55 × 25 mm29 parts2LNo license2
Sx1255-breakout
MTalon63
31 × 30 mm17 parts6LCustom license2
Optical rx brk7310 v0 1
miniscope
100 × 65 mm13 parts4LCERN-OHL-S-2.02
TPS2595x1 Breakout
UWCubeSat
10.2 × 10.2 mm9 parts2LNo license2
OVERLAY-1
Digital-Naturalism-Laboratories
65 × 56.5 mm7 parts4LMIT2
Browse boards by part
AMS1117-3.3 1287USBLC6-2SC6 1056RP2040 725W25Q128JVS 444AP2112K-3.3 408TL072 347ESP32-S3-WROOM-1 324TL074 308CH340C 290L7805 29074HC595 267USBLC6-2P6 260Pico 258LM358 237AP2112K-3.3TRG1 22474LS04 207ESP32-WROOM-32 203Arduino_Nano_v3.x 202LM7805_TO220 20174LS245 18474LS138 176SRV05-4 17674LS08 17574LS32 175