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.
STM32Mixed signal Board Rev E
Akhilesh-design-02
47.1 × 45.4 mm88 parts4LNo license0
RP2040/RP2350Imu coupled working
dcuccia
44.5 × 48.4 mm84 parts4LMIT0
STM32Pangotag PCB LCSC compat
andrewo3
31.9 × 27.2 mm79 parts6LNo license0
ESP32Before pnt
PNT2110
79.8 × 79.8 mm72 parts2LNo license0
Sensor
MUNAKATA-EPC
100 × 100 mm59 parts2LNo license0
RP2040/RP2350OPENWAVE 2350
MAHESH-THILAK-K
21 × 51 mm55 parts2LApache-2.00
STM32Sensor v2-board
AREA-Amiens
55.3 × 46 mm47 parts2LNo license0
AVR/ArduinoConveyor Belt Main Board
Paa-Kwasi-04
94.8 × 117.5 mm40 parts2LNo license0
STM32Speaker
sean618
56.5 × 25 mm40 parts2LMIT0
ESP32Bis net
tsmiltonAgents
80 × 54 mm35 parts2LNo license0
AVR/ArduinoArduino nano halfbridge dc driver
gkeiel
82.8 × 49.3 mm32 parts2LMIT0
Qwiic GPS - Titan X1 v10
Olin-Rocketry
30.5 × 25.4 mm30 parts2LNo license0
Line sensor mini-5
neilpstevenson
72.4 × 19.7 mm26 parts2LMIT0
AVR/ArduinoCosmonode ext05
exostic
38.1 × 34.3 mm22 parts2LNo license0
AVR/ArduinoIDM-RoomSensor-Classic-B-ES1
Xerolux
145 × 78 mm22 parts2LCERN-OHL-S-2.00
ESP32SupaClock Carrier v1 - PCB 67x85mm
ArticunoFruna
85 × 67 mm20 parts2LNo license0
STM32Sensor v3
makizusi
98 × 98 mm20 parts2LNo license0
Line and sensor
shimotoriharuki
70.2 × 81.4 mm15 parts2LNo license0
ESP32Project-05-Worker-Safety-Helmet
Darshan7052006
60.1 × 41.4 mm15 parts2LNo license0
PROJ500 - Auxillary IMU Board
AislingBee
17.2 × 31.4 mm14 parts2LNo license0
STM32Tensilguard
jayis1
100 × 60 mm12 parts4LNo license0
Photogate sensor
Llamero
45 × 37.5 mm12 parts2LApache-2.00
OSMC Module Buttons-Nav
Koalaven
34 × 41 mm12 parts4LNo license0
AVR/ArduinoTRANSMITTER SMD
vul-os
39.4 × 54.3 mm12 parts2LMIT0
TVOC Gas Sensor
Apex-Ottawa-Team
22.5 × 14 mm10 parts2LGPL-3.00
AVR/ArduinoIR-endstop-0.4.1
sl1pkn07
20.5 × 8 mm8 parts2LNo license0
LID
dwynnychuk
22 × 17 mm8 parts2LNo license0
ESP32Halo pin
80 × 50 mm7 parts4LNo license0
Inkusense mini
maurer-lbb
8.3 × 8.6 mm7 parts2LCC-BY-SA-4.00
Makerai sensor node ref unrouted
chainstart
60 × 38 mm7 parts2LNo license0
BME690 Breakout Board
satomm1
18.3 × 16.7 mm4 parts2LMIT0
SolarRadiationShield
Abdenry
13 × 37 mm4 parts2LNo license0
Breath sensor
connormichalec
20 × 20 mm4 parts2LNo license0
Smartcube revA CLEAN PCB B
manhoosbilli1
6.1 × 7.7 mm4 parts6LNo license0- schematic only · 326 partsESP32
Skateboard
86kkd
326 parts2LNo license0 
Ledarray
jonnor
15.2 × 10 mm10 parts2LNo license315
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