2,248 open source boards in Sensors
Environmental, motion, air-quality and measurement sensor 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.
DDR Pad
root670
200 × 200 mm39 parts2LMIT12- schematic only · 6 parts
KiCad-HDL
efarres
6 partsGPL-3.012 
NXPMotor high current sensors
jonblissett
182.8 × 54 mm221 parts2LGPL-3.011
RP2040/RP2350Expansion board v4
naizhao
100 × 62 mm213 parts6LMIT11
PCB board
steger123
177.8 × 115.6 mm94 parts2LNo license11
STM32Spalax
cuspaceflight
77.2 × 49.8 mm73 parts2LNo license11
AVR/ArduinoAquarium
baranovskiykonstantin
96.3 × 98 mm71 parts2LNo license11
STM32LineFollower-Kwark
konrad1s
139.7 × 41.3 mm70 parts4LMIT11
ESP32ESP32-Sensor-Data-Logger
jminjares4
83.8 × 41.4 mm67 parts2LNo license11
Input board
bigbrainlabs
110 × 46 mm65 parts2LCustom license11
STM3253xLIDAR
valerionew
75.4 × 75.4 mm57 parts2LNo license11
ESP32Dronemagnav
ajisrawi
64 × 60 mm56 parts4LCustom license11
AVR/ArduinoEvoluent better
mon
35 × 54 mm30 parts2LMIT11
ESP32TRacket sensor
CivicTechTO
44 × 31 mm17 parts2LNo license11
ESP8266Teensy wifi weather logger
pdp7
3.6 × 3.6 mm11 parts2LCERN-OHL-1.211
Trackball
overset
48.9 × 41.5 mm5 parts2LMIT11
Microchip SAMOMower
vasimv
229 × 157 mm413 parts4LGPL-3.010
MUTIF09 I/O Expansion Board
ja1umi
155 × 114 mm181 parts2LMIT10
ESP32Aether
nasheed-x
100 × 60 mm167 parts6LNo license10
Grippette - USB hub and Dynamixel device
pollen-robotics
65 × 30 mm113 parts4LApache-2.010
STM32MINIREX G473
mathieupommery
29 × 33 mm104 parts6LNo license10
ISM01
mlab-modules
60.5 × 40.1 mm94 parts2LGPL-3.010
STM32QUarkNano 9250 UC4H
ukmook
21.5 × 30 mm61 parts4LCC-BY-SA-4.010
STM32Flight-Computer
ImperialSpaceSociety
28.1 × 76.1 mm57 parts4LNo license10
STM32DataProcessingUnit
RobertGawron
79.8 × 55 mm56 parts2LGPL-3.010
ESP32Hardware v2
rmingon
40 × 78 mm54 parts2LNo license10
Ice tracking beacon
cryologger
133 × 63 mm14 parts2LGPL-3.010
2 CH 4-20 mA to voltage converter board
Fescron
46.4 × 46.4 mm14 parts2LNo license10- schematic only · 41 parts
Osm l bmc som
antmicro
41 partsApache-2.010 
Dc scm breakout board
108 × 70 mm274 parts6LApache-2.09
FPGADpsgo
dpiegdon
140 × 100 mm149 parts4LNo license9
STM32Driva x2
owennewo
100 × 67 mm147 parts4LNo license9
STM32SimpleFC G
wangyeee
42 × 50 mm130 parts4LBSD-3-Clause9
Delta-3 gas sensor
fablabbcn
72.9 × 68 mm126 partsGPL-3.09
1026-RPi-Power-Hat
wilsondr9999
85 × 56.5 mm121 parts4LCC-BY-SA-4.09
RP2040/RP2350EGSE
nanosatlab
327 × 271 mm109 parts6LNo license9
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130