2,338 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.
Engemil pmw3901mb hardware
engemil
50 × 27.3 mm18 parts2LCERN-OHL-W-2.02
SolarWeatherStation
rbat05
128 × 41.5 mm16 parts2LGPL-3.02
Left board
flof-codes
40.3 × 21 mm16 parts2LGPL-3.02
Pmw3360-optical sensor
wj-zhe
36.1 × 40 mm16 parts2LNo license2
Nordic nRFTiny macropad
maker-lukas
38.1 × 57.2 mm16 parts2LNo license2
ESP8266Esp8266-external temp sensor
theopensourcerer
29.5 × 38.1 mm14 parts2LNo license2
AVR/ArduinoECE-411-Capstone-Practicum
GaryLazerFinz
47 × 20.3 mm13 parts2LNo license2
Pmod bme280
fm4dd
41 × 20.3 mm12 parts2LCERN-OHL-1.22
ALTIMET02
mlab-modules
40.1 × 19.8 mm11 parts2LGPL-3.02
AVR/ArduinoWeather station
z0b1
37.3 × 36.5 mm11 parts4LNo license2
LSM6DSV-Breakout
HackableElectronics
16.5 × 20.3 mm11 parts2LGPL-3.02
AVR/ArduinoPCB-Domestic-Vibration---Motion-Sensor
MbFredys
30.6 × 47 mm10 parts2LMIT2
Silicon LabsDormouse
temonuv
36 × 25.1 mm9 parts2LMIT2
Aegis embedded system
YousefAliAicha
78 × 82.1 mm9 parts2LMIT2
PMS7003-sensor adapter hardware design
SolderedElectronics
22 × 22 mm9 parts2LTAPR-OHL-1.02
Bh1900nux breakout board
B48D81EFCC
7.8 × 22.2 mm8 parts2LNo license2
ESP32ESPHome-Presence-Detector With
Theered
40.1 × 65 mm6 parts2LCC-BY-NC-4.02
ADXL343-Eval-Board
fatihdedeic
10.5 × 15.5 mm5 parts2LNo license2
Hall effect sensor
22 × 22 mm5 parts2LTAPR-OHL-1.02
Rainus2.2
SWPhantom
89.6 × 59.1 mm0 parts2LNo license2- schematic only · 139 partsESP32
GrowHub
Ajakovski
139 partsMIT2 - schematic only · 110 partsRaspberry Pi
Smart chess
promaaa
110 partsMIT2 - schematic only · 82 partsSTM32
Filament-Guillotine
Zephino
82 partsCC-BY-SA-4.02 - schematic only · 44 partsESP32
MySoilSensorESP32
requireiot
44 partsMPL-2.02 - schematic only · 16 parts
Wattson
Broosky
16 partsNo license2 - schematic only · 12 parts
BME280-STEMMA-QT-Breakout
lilnetty43
12 partsCustom license2 - schematic only · 9 partsESP32
Kicad iot sensor board
bradleybeatz1313
9 partsNo license2 
RP2040/RP2350Demomatrix
glovepost
10.8 × 7.4 mm1591 parts2LMIT1
ESP32FreeDSP-aurora
mischuja
110 × 110 mm502 parts2LGPL-3.01
STM32Pdms
PGRacing
102.5 × 113.8 mm473 parts4LNo license1
STM32Bldc esc
EwoudVV
544 × 768 mm421 parts4LNo license1
STM32Stm32h7-renode reference platform
antmicro
100 × 60 mm380 parts6LApache-2.01
RP2040/RP2350Veil60
Charading
285 × 94.6 mm314 parts2LNo license1
ESP32Benchpod
embeddedci-com
82 × 90 mm306 parts4LCERN-OHL-W-2.01
STM32Dumpling Main
nyuad-space
75 × 135.2 mm296 parts6LNo license1
FPGAController Board
MichalVarsanyi
85 × 85 mm291 parts6LMIT1
Browse boards by part
AMS1117-3.3 1052USBLC6-2SC6 844RP2040 613W25Q128JVS 390TL072 317AP2112K-3.3 312TL074 280ESP32-S3-WROOM-1 267CH340C 246L7805 228Pico 21974HC595 217USBLC6-2P6 203LM358 19674LS04 177AP2112K-3.3TRG1 174ESP32-WROOM-32 168SRV05-4 165Arduino_Nano_v3.x 162LM7805_TO220 15974LS245 15874LS138 153W25Q128JVSIQ 15374LS32 149