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/ArduinoAVRThermostat
protaskin
54.6 × 71.8 mm31 parts2LMIT7
ESP32IndegoRover
MS71
172 × 230 mm28 parts2LNo license7
ESP32V0 4-Scale Module
MacNite
60 × 90 mm26 parts2LMIT7
ESP32GyroCube
Pedro-51
73.5 × 52.1 mm23 parts2LNo license7
ESP8266Cactus
hutscape
76.5 × 38.1 mm20 parts2LMIT7
TransimpedanceAmplifier
philipturner
36.5 × 42 mm13 parts2LNo license7
Air quality sensor-MQ135-breakout hardware design
SolderedElectronics
22 × 38 mm12 parts2LTAPR-OHL-1.07
Nordic nRFPalm
29.8 × 70.5 mm11 parts2LMIT7
7805-Voltage-Regulator
TeknoTrek
48.5 × 18 mm5 parts2LNo license7
RP2040/RP2350Raspberry Pi Pico connection board for UVC
hijimasa
53.5 × 55.5 mm2 parts2LMIT7- schematic only · 1 parts
MR-NAVQ95
NXP-Robotics
1 partsSHL-2.17 
RP2040/RP2350FC V5d Pro Rev1
proveskit
88 × 94.5 mm255 parts4LCERN-OHL-W-2.06
FPGAMppcInterface
muonTelescope
100 × 100 mm216 parts2LNo license6
STM32OpenFlowMeter
JochiSt
74 × 28 mm132 parts4LGPL-3.06
STM32Alturia
rckTom
45 × 24 mm96 parts4LCC-BY-NC-4.06
ESP32Roamr motors
uw-roamr
115 × 55 mm96 parts4LNo license6
ESP32Synchronisation-Wand
YuxuanHan0326
80 × 35 mm90 parts4LApache-2.06
ESP32ESP32 BASED PCB
BitwiseAjeet
98 × 55.5 mm81 parts4LMIT6
AVR/ArduinoController board
andia89
69 × 54 mm73 parts2LNo license6
STM32Node base
LanternD
78 × 40 mm73 parts2LApache-2.06
AVR/ArduinoDriverino
weirdgyn
26 × 41 mm73 parts2LGPL-3.06
Microchip SAMATmega SAT
spel-uchile
96 × 89.9 mm65 parts2LNo license6
Klipper-Fan-Hat
mikepthomas
65 × 56.5 mm59 parts2LGPL-3.06
ESP32Esp32-c3-iot sensor board
Ans1S
35.4 × 21.6 mm57 parts4LMIT6
ESP32Esp32-s2
hggh
40.4 × 33.8 mm31 parts2LGPL-3.06
PCB MotorECU
Knektium
61 × 61 mm27 parts2LCERN-OHL-1.26
VM-sensor-PT1000
iotmakervn
36 × 50.5 mm27 parts2LNo license6
ESP32Hw-USB-I2C
burgrp
60 × 18 mm26 parts2LNo license6
ESP32FleetGuard
Ahmed-YSY
106.5 × 66 mm7 parts2LCustom license6
AVR/ArduinoBATDATUNIT01
mlab-modules
136.2 × 85.9 mm206 parts2LGPL-3.05
STM32Vesc
LJBoxx
61.5 × 60 mm196 parts4LCERN-OHL-S-2.05
ESP32GalvOS Laser Controller V2
Andre1Becker
175 × 115 mm122 parts2LGPL-3.05
ESP32Esp32-faerfly-V2.0
low-poly-studio
85.1 × 53.3 mm83 parts4LNo license5
STM32TET-Module
ICDT-Inatel-Cubesat-Design-Team
90.2 × 95.9 mm76 parts4LCERN-OHL-W-2.05
ESP8266Another esp8266 sensor board
brev-dev
54.9 × 95 mm75 parts2LGPL-3.05
ESP32Electricload
hnz1102
185 × 98 mm71 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