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.
Eecv breakout
rusefi
140.8 × 53.7 mm9 parts4LNo license2
Eecv breakout
rusefillc
140.8 × 53.7 mm9 parts4LGPL-3.02
NXPTeensy4 header breakout
MUNAKATA-EPC
22.9 × 35.6 mm3 parts2LNo license2
AT0603T-breakout panel
MTalon63
17.1 × 5 mm3 parts2LCustom license2
Daughterboard power widened experimental has shorts
BoomBoxRobotics
155 × 80.6 mm104 parts2LCC0-1.01
RP2040/RP2350Nuclone RP2040 aliexpress
Squantor
50 × 76.2 mm17 parts2LMIT1
Carvel Breakout board as M.2 Card
chipfoundry
22 × 22 mm9 parts4LNo license1
Digital Logic Board
mwwhited
40.5 × 41.5 mm8 parts2LMIT1
Nordic nRFTEST-XIAO-nRF5240
74th
25.4 × 31.8 mm6 parts2LMIT1
Sorting hat
cristobalcuevas
79.1 × 66.4 mm12 parts2LNo license0
Mess-Breakout+Perf
unicab369
98.1 × 99.8 mm12 parts2LNo license0
BNO BREAKOUT
robotique-udes
31.4 × 49 mm11 parts2LMIT0
Eecv breakout
lanjay1
140.8 × 53.7 mm9 parts4LGPL-3.00
Caravel-M.2-card-WCSP
Rimal12345
22 × 22 mm9 parts4LNo license0
Photointerrupter Breakout
sdp8483
27 × 27 mm4 parts2LMIT0
Rj45 breakout
emdotnet
15.2 × 53.8 mm3 parts2LGPL-3.00
Panel saw eval board
dgallant0x007
57 × 44 mm3 parts2LGPL-3.00
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