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.
STM32USB-LiDAR-VL53L9
RemiFM
34 × 30.2 mm68 parts6LMIT9
RPi-Hat-Thermocouple
mikelawrence
65 × 56 mm40 parts2LMIT9
Rover Motor Driver
ElectronicCats
40 × 70 mm26 parts2LGPL-3.09
STM32Windnerd-Core
windnerd-labs
88 × 17.1 mm25 parts2LCERN-OHL-S-2.09
Pi plant
rringler
33 × 30.5 mm11 parts2LMIT9
Soil probe
GewoonMaarten
15 × 117 mm7 parts2LNo license9
ESP32Batch 1
CDFER
93 × 173 mm384 parts2LCustom license8
Raspberry PiSlushengine modelx
Roboteurs
261 × 100 mm205 parts2LCustom license8
STM32Avionics-Telemetry
MSTRocketDesignTeam
80 × 93.6 mm87 parts4LGPL-3.08
Microchip SAMSprite
RoboticExplorationLab
47.2 × 35 mm77 partsNo license8
STM32Main
wgbowley
60 × 40 mm59 parts2LMIT8
ESP8266Core
plantbot
50 × 50 mm54 parts2LAGPL-3.08
STM32OpenWave
wattnotions
40 × 40 mm51 parts2LNo license8
ESP32ESP32-C3-DevKit-RUST-1
swayerloren
22.9 × 63.5 mm48 parts2LMIT8
ESP32Elegoo centaury carbon-Filament-Movement-Sensor
Sohcahtoaii
58 × 32 mm45 parts2LGPL-3.08
ESP32Esptemp8c
gcormier
56.6 × 57.7 mm38 parts2LNo license8
STM32Line-Follower-Robot-Using-STM32F103C8T6-with-TCRT-5000
bonavirak
99.8 × 82 mm32 parts2LMIT8
ESP32Meteo station
alicjamusial
110 × 90 mm23 parts2LCC-BY-SA-4.08
Load cell ampfilier-HX711-board hardware design
SolderedElectronics
22 × 22 mm18 parts2LTAPR-OHL-1.08
ESP8266Environment monitor
theopensourcerer
31.1 × 43.2 mm14 parts2LNo license8
STM32Nrf24stm8l
TG9541
17.8 × 29.2 mm11 parts2LMIT8
XiiSBar
Xenii1642
124.5 × 14 mm8 parts2LNo license8- schematic only · 9 partsSTM32
MetaForge
FidelOdok
9 partsCustom license8 
STM32Taiko-256
AnalogDragon
170 × 120 mm261 parts2LCustom license7
Raspberry PiLamoka1/2
bearjhartjen
122.7 × 124.8 mm126 parts2LCERN-OHL-W-2.07
ESP32ESp32-DEVKIT-DATALOGGER
Zektopic
262.2 × 139.3 mm84 parts2LNo license7
STM32OpenSTM32F4 LQFP64
phonght32
54 × 68 mm77 parts2LMIT7
NXPSigyn
wimblerobotics
96.5 × 76.2 mm73 parts4LApache-2.07
Kicad sailframes b1
sailframes
79.8 × 89.3 mm71 parts2LApache-2.07
STM32Weather station
Invactive
90 × 32 mm59 parts2LNo license7
STM32Snaaur v1
duongngochoan
90.9 × 38.4 mm54 parts2LNo license7
RPi pHat-Thermocouple
65 × 30 mm54 parts2LMIT7
STM32Snaaur v1
90.9 × 38.4 mm54 parts2LNo license7
Microchip SAMDropkick
rrainey
44.5 × 50.8 mm45 parts2LMIT7
Microchip SAMPine
hutscape
45.7 × 38.1 mm43 parts2LMIT7
Wearable ECG ADS1293 nrf52840
NeDaMo93
24.4 × 35.6 mm41 parts4LNo license7
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