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.
AVR/ArduinoPCB-Temperature-Controller
MbFredys
90.8 × 56.5 mm68 parts2LCERN-OHL-W-2.05
ESP32Smart uppatvind
moucha19
74 × 36 mm66 parts4LCERN-OHL-W-2.05
Comms system
Lifearafter
90 × 90 mm66 parts2LMIT5
ESP32Esp32-led controller
arkandas
93.4 × 42.6 mm61 parts2LMIT5
MLL ELECTRONICS OVEN CONTROLLER
codeThatThinks
158 × 63 mm61 parts2LCERN-OHL-W-2.05
RP2040/RP23500c3674082e0cce0e5fe83b9af95129ea7c01d67ed40b5156bc41833dda929227
autonomous-ai
82 × 58 mm61 parts2LMIT5
PICThermocouple board
waterloo-rocketry
73.9 × 56.6 mm59 parts2LNo license5
ESP32Esp32-wifi ble weighing scale
IoTReady
81.2 × 40 mm57 parts2LNo license5
Sincos interpolator
finngineering
100 × 50 mm57 parts2LMIT5
STM32Hardware
leelili444
45 × 40 mm56 parts4LNo license5
ESP32Plant133
chl33
59.2 × 41.9 mm56 parts4LMIT5
ESP32Temp logger
hnz1102
50 × 70 mm52 parts2LNo license5
Cell holder board
tjorvenhillmann
101 × 101 mm52 parts2LNo license5
Heartrate-DevKit-HW
ZSWatch
45 × 36.9 mm48 parts4LGPL-3.05
ESP8266NeOSensorV4 panel
fthiebolt
98.8 × 97.4 mm46 parts2LNo license5
ESP32SlimeVR-Tracker-HW
xuan25
30 × 30 mm45 parts2LMIT5
PICPlantWateringDevice
RobertGawron
48 × 45 mm44 parts4LMIT5
UsbI2cSpiAdapter
55 × 30 mm40 parts2LNo license5
ESP8266Reflow Oven
La-guajolota
100 × 80 mm38 parts2LMIT5
ESP32Esp32-fan controller
merlindorin
85 × 155 mm38 parts2LMIT5
Chessboard
aaravs-s
400 × 100 mm34 parts2LNo license5
JohbGCC
8n1
125.5 × 75.1 mm29 parts2LCERN-OHL-S-2.05
ESP8266PoolMonitor
tpanajott
54.4 × 31 mm28 parts4LNo license5
ESP8266Kicad
josefadamcik
70.7 × 78.2 mm25 parts2LMIT5
GhostMesh
ComplacencyKillz
67.4 × 42 mm23 parts2LMIT5
ESP8266EWB-EPA-Rainworks
IceyPlazza
111.4 × 40.9 mm19 parts2LNo license5
Moca hcho
Gekkio
66 × 57 mm18 parts2LNo license5
Windy
alexzilligmm
60 × 60 mm14 parts2LMIT5
ESP32Luxigrid
overscore-media
78 × 77 mm13 parts2LMIT5
CO-sensor-MQ7-breakout hardware design
SolderedElectronics
22 × 38 mm12 parts2LTAPR-OHL-1.05
Prox Sense Single MTCH105 Directional 19.05mm Handsolder
DaAwesomeP
24.7 × 48.6 mm10 parts2LCERN-OHL-S-2.05
Smogly
bfaliszek
92.3 × 68 mm10 parts2LGPL-3.05
AVR/ArduinoStecchino
pepelepoisson
97.2 × 31.8 mm9 parts2LMIT5
LEGACY-fingerprint doorlock
feichtinger
15 × 12.2 mm8 parts2LGPL-3.05
Rockobot
Pelochus
88.9 × 88.9 mm8 parts2LGPL-3.05
Sapflow gauge
dotmote
25.2 × 22.8 mm8 parts2LNo license5
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