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.
STM32Stm32l151 breakout
blakesmith
43.2 × 45.7 mm14 parts2LNo license167
Radxa hat
FOSDEM
65 × 20.4 mm8 parts2LNo license114
Battery Charger
embeddedalpha
34.8 × 30 mm54 parts2LMIT75
TQFP64 to DIP64 Breakout Board
vul-os
81.3 × 20.3 mm6 parts2LApache-2.055
Black pill breakout
jamesmunns
79 × 47 mm25 parts2LNo license40
Led bar
efabless
23.9 × 29.4 mm12 parts2LNo license40
Ssd1332 breakout
libresmartphone
21 × 16.9 mm15 parts2LNo license33
FPGA2019-07-07 18:07:42 fpga hat
Wren6991
65 × 56.5 mm87 parts4LApache-2.031
Micro vault dev board
atopile
32.4 × 64.4 mm39 parts2LMIT29
ADC-15-4 Dev Board
joshajohnson
50 × 44.3 mm7 parts2LGPL-3.025
QuadSMC
RobertPHeller
69.9 × 101.6 mm56 parts2LCC-BY-4.024
Nuclone devboard small 2 layer USB-C PD
Squantor
50 × 50 mm34 parts2LMIT24
Raspberry PiGpib breakout
abzman
51.7 × 66 mm14 parts2LUnlicense19
As5047p breakout rev2
oresat
40 × 39.5 mm8 parts2LGPL-2.019
Alu
TomNisbet
102 × 96 mm40 parts2LMIT18
STM32Christmas tree
azonenberg
66 × 93.5 mm61 parts2LBSD-3-Clause17
MiSTeryNano MIDI Shield
MiSTle-Dev
57 × 57 mm35 parts2LNo license17
Rotary switch board
MobiFlight
27.3 × 29.3 mm11 parts2LNo license16
Raspberry Pi433MHz Ground Station Board
stanford-ssi
95.5 × 56 mm14 parts4LNo license13
Ch224core
SdtElectronics
15 × 9.9 mm5 parts2LCERN-OHL-W-2.013
WP-2 IC-Card Programming Adapter
bkw777
30.5 × 59.4 mm3 parts2LCustom license13![Top view of CH32V00x-SOIC8 [74TH-G061]](https://hip.fly.dev/v1/gallery/thumb/74th--ch32v-dev-boards--ch32v00x-soic8.svg)
RISC-VCH32V00x-SOIC8 [74TH-G061]
74th
15.2 × 23.5 mm13 parts2LMIT10
DoubleProto
Architeuthis-Flux
167.1 × 26.6 mm11 parts2LMIT10
ESP32ESP32-S3-WROOM-1
25.4 × 51.3 mm19 parts2LMIT8
BRK-TSSOP-24-4.4x7.8-P0.65
Gekkio
18.9 × 42.9 mm3 parts2LCC-BY-4.06
STM32 Value Line Discovery - Shiled board
LUMERIIX
43.2 × 84.5 mm3 parts2LNo license5
Breakout MCP73831 tiled
66.6 × 46.2 mm8 parts2LMIT4
ESP32ESP32-Feather-6B6L
86.4 × 78.7 mm36 parts2LCC-BY-4.03
Arduino UNO Click shield
michpro
68.6 × 53.3 mm12 parts2LCERN-OHL-P-2.03
STM32VCF carrier board
JordanAceto
99.1 × 99.1 mm52 parts2LCC-BY-4.02
STM32Stm32u073-breakout
coffee-and-telesense
27.1 × 26.2 mm11 parts2LNo license2
Balun eval board
44.1 × 55.8 mm9 parts4LNo license2
Rect 20 20
miniscope
20 × 20 mm6 parts6LCERN-OHL-S-2.02
Bb soic ssop-24
qboards
17.8 × 30.5 mm4 parts2LCC-BY-SA-4.02
Daughterboard before power trace widening
BoomBoxRobotics
155 × 80.6 mm104 parts2LCC0-1.01
NXPNuclone LPC1125JBD48
48.3 × 76.2 mm46 parts2LMIT1
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