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.
STM32Current sensor filter
Synthron
160 × 100 mm91 parts4LNo license3
STM32QRET 23-24 SRAD Communications Module
Queens-Rocket-Engineering-Team
69.5 × 62.6 mm69 parts4LNo license3
Current-Limiter
kwiecinski
99 × 99 mm62 parts2LMIT3
SAX 2
tomcombriat
54.8 × 85.6 mm34 parts2LTAPR-OHL-1.03
YEARLING KIT -Z
proveskit
100 × 100 mm21 parts4LCERN-OHL-W-2.03
Adafruit AHT20 Temperature & Humidity
humancomputerintegration
25.4 × 17.8 mm13 parts2LGPL-3.03
Sensor board-CO2-PA
ZER0-cmd
30 × 28.2 mm7 parts2LCERN-OHL-S-2.03
Symm60HE-Left
Mokeded
145.9 × 104.7 mm173 parts2LGPL-3.02
STM32SDM25 IMU STM32
sundevilmotorsports
32.9 × 46.7 mm39 parts4LNo license2
Line sensor front
MUNAKATA-EPC
90 × 30.9 mm22 parts2LNo license2
Nordic nRFBench ble lipo sensor b204035a
mrcha033
50 × 35 mm19 parts2LApache-2.02
AVR/ArduinoWater sensor
ARTS-Laboratory
48.3 × 101.6 mm12 parts2LCC-BY-SA-4.02- schematic only · 24 partsAVR/Arduino
${project name}
mhered
24 parts2LNo license2 
ESP32UI V1 WROOM
Gamu2124
80 × 49 mm51 parts2LNo license1
FPGACore Module Intel
MichalVarsanyi
13 × 13 mm27 parts6LMIT1
Sensor
yangxing844
38.7 × 42.8 mm13 parts2LNo license1
02 03 IMU BMI088 SPI
nyuad-space
22 × 22 mm10 parts2LNo license1
End connector
BerkeleyLab
36 × 9.9 mm7 parts2LCustom license1
Wheel-Encoder
manyetox
20 × 16.8 mm5 parts2LCC-BY-NC-4.01
STM32Heart v2 tracks only
vexpaer
100 × 30 mm159 parts4LCERN-OHL-S-2.00
PCB-0005-A lumina par
ihsan-sa
100 × 80 mm149 parts4LMIT0
RP2040/RP2350Imu fanout method staged
dcuccia
44.5 × 48.4 mm84 parts4LMIT0
STM32Only Tag2
andrewo3
31.9 × 27.2 mm77 parts6LNo license0
ESP32Dual Axis Solar Tracker
jsitech4
101.2 × 76.6 mm75 parts2LNo license0
ESP32C3 rotated before adc rip
PNT2110
79.8 × 79.8 mm72 parts2LNo license0
Robot fő nyák
NBence0
100.5 × 100.4 mm71 parts2LNo license0
Air
marmbrus
70 × 70 mm39 parts4LNo license0
ESP32Bis setup
tsmiltonAgents
80 × 54 mm35 parts2LNo license0
STM32LightSound
sean618
27 × 25 mm32 parts2LMIT0
Adafruit BMP390
Olin-Rocketry
21.6 × 14 mm21 parts2LNo license0
5 Piece Gas Sensor Mounting Board
owenpmorgan
50.5 × 49.5 mm17 parts2LNo license0
Power supply linear regulator lm317
gkeiel
49 × 46 mm12 parts2LMIT0
ESP32Pollen scout
jayis1
80 × 55 mm10 parts4LNo license0
Imu LSM6DSL
LiU-SeeGoals
25.4 × 21 mm9 parts4LNo license0
Hive environmental sensor
atuleu
30 × 17 mm9 parts2LCERN-OHL-S-2.00
OSMC Module Buttons
Koalaven
34 × 41 mm8 parts4LNo license0
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