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.
FPGA2019-07-07 17:06:08 fpga hat
Wren6991
65 × 56.5 mm87 parts4LApache-2.031
BM83 breadboard adapter panel
tomaskovacik
76.2 × 99.1 mm59 parts2LCustom license27
Pmod breakout
joshajohnson
50 × 22.9 mm3 parts2LCC-BY-NC-4.026
1u panel breakout
oresat
33 × 32 mm6 parts2LNo license25
TivaMultiFunctionBoard
RobertPHeller
76.2 × 153.7 mm114 parts2LCC-BY-4.024
IPod ESP32 barebones
martinroger
59.7 × 64.8 mm14 parts2LMIT22
MSP430 BreadStick-Shield
upsidedownlabs
18.5 × 65.8 mm4 parts2LCERN-OHL-S-2.021
CPUandGlueLogic
daveho
150 × 90 mm35 partsNo license19
Microcode
TomNisbet
102 × 96 mm59 parts2LMIT18
Breadboard 56pin
MattisLind
270 × 150 mm57 parts2LApache-2.018
Ksz9031-eval
azonenberg
77 × 71.5 mm167 parts4LBSD-3-Clause17
MobiFlight Prototyping Board
MobiFlight
80 × 80 mm41 parts2LNo license16
ESP32ESP32-S2 DEV
hwreverse
27.9 × 88.9 mm32 parts2LMIT13
Emac
SdtElectronics
47.9 × 18.7 mm27 parts2LCERN-OHL-W-2.013
WP-2 IC-Card SRAM
bkw777
54 × 54 mm14 parts2LCustom license13
Feather v3
wyolum
52.1 × 52.1 mm10 parts2LNo license13
PC9505 Breakout Board
blueOkiris
33 × 73.7 mm3 parts2LGPL-3.013
Ass shield analog mic
immortalserg
80 × 80 mm147 parts2LNo license12
NXPMounT K85 Teensy
61.2 × 18 mm9 parts2LGPL-3.012
RGBtoHDMI CDTV v2 - Denise Breakout
solarmon
89.4 × 26.5 mm5 parts2LNo license12
Adafruit eInk Breakout Friend
cgallizzi
34.3 × 21.6 mm33 parts2LMIT11
ProtoBarnacle
Architeuthis-Flux
82.6 × 79.7 mm100 parts4LMIT10
HP Fused Breakout
computergeek1507
85.5 × 40.3 mm30 parts2LCERN-OHL-1.210
WCH CH32/CH55xCh32x035-promicro usb device
74th
17.8 × 31.8 mm24 parts2LMIT10
MicroSD breakout
dbuchwald
24.1 × 22.9 mm4 parts2LMIT10
AVR/ArduinoCAN Breakout
gregdavill
45 × 35 mm39 parts4LNo license9
ESP32LAN-Module-1P
jorticus
30.5 × 53.3 mm61 parts2LCERN-OHL-S-2.08
OpenHardwareExG Shield Test Board Riser Base
OpenElectronicsLab
147.3 × 81.3 mm51 parts4LCERN-OHL-1.28
ESP32ESP32C3DevBoard
25.4 × 29.2 mm24 parts2LMIT8
LZ7-04M2PD
Jana-Marie
42 × 42 mm6 parts2LCERN-OHL-S-2.08
ESP8266ESP12E-breakout
aleksejm
31.6 × 26.7 mm15 parts2LNo license7
Cree xega led breakout
30 × 15 mm5 parts2LCERN-OHL-S-2.06
BRK-QFP-44-10x10-P0.8-Sharp
Gekkio
39.6 × 52.5 mm5 parts2LCC-BY-4.06
Shield exp430g2
xtarke
58.7 × 53 mm46 parts2LGPL-3.05
ADA842X BREAKOUT BOARD
JasMoH
36.6 × 21.6 mm42 parts2LGPL-3.05
ESP8266Shield
68.6 × 53.3 mm24 parts2LNo license5
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