2,783 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.
ESP32Sensor data logger
mrcha033
70 × 50 mm16 parts2LApache-2.02
AVR/ArduinoWater sensor1
ARTS-Laboratory
48.3 × 58.4 mm11 parts2LCC-BY-SA-4.02
ESP32Dcdc V8
Gamu2124
80 × 42 mm42 parts2LNo license1
Cluster test
glovepost
26.2 × 26.2 mm31 parts2LMIT1
VoxLink - Shell Module - Daisy
MichalVarsanyi
54 × 29.5 mm9 parts4LMIT1
Off axis end connector
BerkeleyLab
28.9 × 18.4 mm7 parts2LCustom license1
STM32Imu int trial tracks only
vexpaer
100 × 30 mm159 parts4LCERN-OHL-S-2.00
ESP32Final routed
PNT2110
79.8 × 79.8 mm72 parts2LNo license0
ESP32Solar Powered Irrigation System
jsitech4
91.6 × 57.8 mm70 parts2LNo license0
Adafruit 3.5in 480x320 FeatherWing Rev B
NBence0
66 × 85.3 mm59 parts16LNo license0
Line sensor
MUNAKATA-EPC
110 × 110 mm49 parts2LNo license0
RP2040/RP2350Temperature controller
mekatrol
68 × 88 mm46 parts4LNo license0
ESP32Bis zone
tsmiltonAgents
80 × 54 mm35 parts2LNo license0
STM32Buttons
sean618
50 × 25 mm31 parts2LMIT0
ESP32RemoteHub
fujiy
33 × 55 mm26 parts2LNo license0
Newlsm9ds1
Olin-Rocketry
13.8 × 19.4 mm17 parts2LNo license0
Dongle
andrewo3
29.7 × 21.2 mm11 parts4LNo license0
AIR-VOCNOX
Xerolux
25 × 25 mm9 parts4LCERN-OHL-S-2.00
Sensor node ref unrouted
chainstart
60 × 38 mm7 parts2LNo license0
AVR/ArduinoCosmonode ext07
exostic
34.3 × 34.3 mm7 parts2LNo license0
Fire alarm system using photodiode
JKCadilo14-CpE
50.8 × 50.8 mm6 parts2LMIT0
OSMC Module Bumpers
Koalaven
34 × 41 mm5 parts4LNo license0
Ballcatch sensor
akihiro-kataoka
28 × 10 mm4 parts2LNo license0
STM32Encoder
eddyem
78 × 81 mm53 parts2LNo license206
Temperature
cuspaceflight
40 × 33 mm45 parts2LNo license93
TRILL-CRAFT
BelaPlatform
53.8 × 21.8 mm7 parts2LNo license75
TQFP64 to DIP64 Breakout Board
vul-os
81.3 × 20.3 mm6 parts2LApache-2.055
NXPSPARK Pyrotechnic Testing Board
ISSUIUC
100 × 80 mm70 parts2LNo license31- schematic only · 42 partsAVR/Arduino
Ma
T3nk4I
42 parts2LGPL-2.027 
ESP32Sum25 Wand v2
collaborative-music-lab
245 × 30 mm19 parts2LNo license19
As5047p breakout rev2
oresat
40 × 39.5 mm8 parts2LGPL-2.019
BesteLampe! ABL Power Module
lenaschimmel
110 × 80.4 mm26 parts2LNo license18
Kicad encoder
horychen
73.4 × 33.3 mm64 parts2LGPL-3.016
Fixed hs g431-tube sensors
DAlexis
92.4 × 98.9 mm52 parts2LGPL-3.016
ESP32XIAO ESP32S3 Plus V1.1 250724
Josephrp
17.8 × 21.1 mm70 parts6LCustom license12
AVR/ArduinoEVOLVER Temperature Calibration Module
FYNCH-BIO
92.7 × 82.6 mm28 parts2LNo license11
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