2,536 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.
ESP32ESP32 CP2102
jenschr
30.5 × 48.3 mm32 parts2LMIT1
IgNYte-LOI-Apparatus
igNYteLab
130 × 90 mm31 parts2LNo license1
ESP32AeonLabs-LDAD-LVDT-MAX-Smart-DAQ
aeonSolutions
34.7 × 35.3 mm30 parts2LCC0-1.01
STM32Sensor board voc temp
adamvirovecz
40 × 27 mm30 parts2LMIT1
STM32Watering controller
bendixsonnenberg
96.6 × 132.4 mm30 parts2LMIT1
Accelerometer gyroscope magnetometer LSM9DS1TR
SolderedElectronics
22 × 38 mm30 parts2LTAPR-OHL-1.01
ESP32Cody
Mikuel210
125 × 99.9 mm30 parts2LNo license1
AVR/ArduinoHotBox
sundr007
100 × 100 mm29 parts2LGPL-2.01
Carrier PCB v2
EmmardFr
102.7 × 40 mm29 parts2LMIT1
ESP32Room camera sensor
chxuri
97.9 × 97.7 mm27 parts2LMIT1
ESP8266PCB-Shield-Security-System
KhaledGhanem0
100.6 × 78.2 mm27 parts2LMIT1
RUS-04 1x9
nulllaborg
50.6 × 33 mm27 parts2LNo license1
STM32SwanStabilizer-FlightStabilizer
kappyphm
30 × 40 mm27 parts2LMIT1
AVR/ArduinoBenzene--Toluene--Acetone--Formaldehyde sensor-MQ138-breakout with easyC-hardware design
22 × 54 mm26 parts2LTAPR-OHL-1.01
AVR/ArduinoNatural gas--LPG-sensor-MQ5-breakout with easyC-hardware design
22 × 54 mm26 parts2LTAPR-OHL-1.01
AVR/ArduinoCO-sensor-MQ7-breakout with easyC-hardware design
22 × 54 mm26 parts2LTAPR-OHL-1.01
Jungle buoy
meshmy
41 × 38 mm26 parts2LCERN-OHL-S-2.01
AVR/ArduinoOzone sensor-MQ131-breakout with easyC-hardware design
22 × 54 mm26 parts2LTAPR-OHL-1.01
ESP32Portable-Weather-Station
shubhamp2007
64.5 × 56.5 mm26 parts2LNo license1
ESP32Esp8266-temp proto
ShawnHymel
35.6 × 50.8 mm26 parts2LNo license1
AVR/ArduinoArduino nano compatible shield
Aryan-git-byte
59 × 57.3 mm25 parts2LNo license1
AVR/ArduinoMCU-Data-Logger
VishwanathKambalyal
53 × 40.3 mm25 parts2LNo license1
RP2040/RP2350Fiducial
AleksaZCodes
26 × 79 mm25 parts2LMIT1
Current loops
joseguerra3000
92.7 × 38.1 mm25 parts2LNo license1
ESP32Capstone ece4900
gworkman
68.6 × 62.2 mm25 parts4LNo license1
AVR/ArduinoLuci sdk encoders
lucimobility
68.6 × 53.3 mm25 parts2LApache-2.01
ESP32THErocket
Tiladura
62.5 × 62 mm25 parts2LMIT1
ESP32RocketFlightController
63 × 62 mm25 parts2LNo license1
AVR/ArduinoMqtt particle sensor
uw-madison-chem-shops
91.4 × 66 mm24 parts2LNo license1
AVR/ArduinoKikad dsign
sarpharaj-09
114 × 84 mm24 parts2LNo license1
Color---gesture sensor-APDS-9960-breakout hardware design
22 × 38 mm24 parts2LTAPR-OHL-1.01
MultiGeiger-V2
MMBytes
123.1 × 31.9 mm24 parts2LGPL-3.01
KnurDash
chrumck
55 × 34 mm23 parts2LMIT1
Mqtt weather station
91.4 × 66 mm23 parts2LCERN-OHL-P-2.01
Airspeed v2
nikitaignatov
40 × 40 mm23 parts2LGPL-3.01
PICFridge Controller
RICCIARDI-Adrien
91 × 67 mm22 parts2LMIT1
Browse boards by part
AMS1117-3.3 1069USBLC6-2SC6 866RP2040 632W25Q128JVS 394TL072 319AP2112K-3.3 313TL074 281ESP32-S3-WROOM-1 268CH340C 249L7805 229Pico 22174HC595 218USBLC6-2P6 206LM358 20074LS04 180AP2112K-3.3TRG1 179ESP32-WROOM-32 169LM7805_TO220 167SRV05-4 165Arduino_Nano_v3.x 16474LS245 160W25Q128JVSIQ 15774LS138 15574LS32 152