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.
STM32Easyduino STM32F103
Hanqaqa
23 × 53 mm30 parts4LCERN-OHL-P-2.0746
L0 USB
Luos-io
20.3 × 15.3 mm19 parts2LMIT547
ESP32
Chrismettal
66.4 × 48.1 mm7 parts2LCC-BY-SA-4.0446
ESP32ESP32-PoE Rev M
OLIMEX
28 × 80 mm130 parts4LApache-2.0407
Proto data slicer board
PantsForBirds
14 × 12.5 mm13 parts2LGPL-3.0322
Bus breakout
vascofazza
57.2 × 41.9 mm4 parts2LMIT314
ESP32ESP32-EVB
75.2 × 74.7 mm156 parts2LApache-2.0285
Friendp
CRImier
60 × 50 mm79 parts4LGPL-3.0253
Breakout board for the iMac G3 donw converter board
qbancoffee
88 × 39 mm4 parts2LLGPL-3.0236
Ad9864 breakout
loxodes
44 × 39 mm83 parts4LNo license206
STM32Stm32l151 raw breakout
blakesmith
20.8 × 61 mm39 parts2LNo license167
CANBUS Flipper
ElectronicCats
67 × 21.3 mm24 parts2LNo license130
STM32RoProp
embeddedalpha
75.6 × 65.2 mm85 parts2LMIT75
AVR/Arduino68k-SBC Supervisor Shield
transistorfet
89.9 × 53.3 mm6 parts2LGPL-3.069
MicroSD to DIP Breakout 74HC4050
vul-os
30.5 × 20.3 mm7 parts2LApache-2.055
PMW3610-breakout
cormoran
13.4 × 20.1 mm11 parts2LCC-BY-4.053
UMyriadRF6002
myriadrf
49.3 × 36.6 mm99 parts8LNo license50
5V Development Board
efabless
76.2 × 73.8 mm83 parts4LNo license40
FPGA2019-07-07 17:06:09 fpga hat
Wren6991
65 × 56.5 mm87 parts4LApache-2.031
Filter Bank Dev Board
joshajohnson
48 × 48 mm20 parts4LGPL-3.025
PocketBeagleMultifuntion
RobertPHeller
128.3 × 139.7 mm111 parts2LCC-BY-4.024
Nuclone devboard small 4 layer
Squantor
50 × 50 mm37 parts4LMIT24
ESP32Simple carrier board (CP2104)
martinroger
76 × 56 mm9 parts2LMIT22
D register
TomNisbet
102 × 96 mm52 parts2LMIT18
FPGAFpga test kintex676-artix484
azonenberg
73 × 88 mm152 parts4LBSD-3-Clause17
Mf breakout-74hc4067
MobiFlight
80 × 80 mm36 parts2LNo license16
RV3032 Breakout
bitbank2
20 × 15 mm8 parts2LApache-2.016
Breakout pcie
olin-electric-motorsports
193.8 × 90.6 mm95 parts2LNo license14
ArduinoShieldHobbyRCAndMotorControl
michaelshiloh
68.6 × 53.3 mm11 parts2LAGPL-3.014
Mesp240 gamepadshield
hwreverse
147.3 × 55.9 mm30 parts2LMIT13
EPap
SdtElectronics
37.3 × 29.2 mm26 parts2LCERN-OHL-W-2.013
Nanopi neo core
immortalserg
49.8 × 62.6 mm9 parts2LNo license12
ProtoSMDfootprintField
Architeuthis-Flux
84.5 × 57.6 mm32 parts4LMIT10
RISC-VRVSWDIO Programmer
74th
15.5 × 36.6 mm21 parts2LMIT10
VGA breakout
dbuchwald
29.2 × 43.2 mm4 parts2LMIT10
ESP32LAN-Module-WROOM32-Compatible
jorticus
18 × 26 mm57 parts2LCERN-OHL-S-2.08
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