1,920 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.
STM32Hector
RickKross
275.7 × 105.4 mm178 parts2LCERN-OHL-W-2.016
SensorLEM portable(Guan to
horychen
67.7 × 153.2 mm98 parts2LGPL-3.016
STM32Rifle and sensors
DAlexis
93.9 × 97.8 mm80 parts2LGPL-3.016
TI MSP430/CCCupltag
cuplsensor
54 × 54 mm25 parts2LCustom license16
BeeLight
Kampi
32 × 29 mm20 parts2LGPL-3.016- schematic only · 69 parts
Cohdl
conol-ai
69 partsMIT16 
AI.R-Autonomous Robot
Lapland-Robotics
145 × 65 mm144 parts6LMIT15
NXPR1000AX
pluggee
175 × 68.5 mm138 parts4LGPL-3.015
ESP8266ESP-Hiro
Chrismettal
100 × 50 mm79 parts2LGPL-3.015
ESP32Nomad
0Zane
65 × 120 mm69 parts2LMIT15
Bwlr1b
teapotlaboratories
38.6 × 72.1 mm38 parts2LMIT15
Raspberry PiIc880a backplane
dbrgn
93.9 × 83.8 mm34 parts2LTAPR-OHL-1.015
Automatic weather station
cryologger
133.4 × 79.4 mm18 parts2LGPL-3.015
Home energy monitoring
bytesizedengineering
50 × 20 mm17 parts2LGPL-3.015
ESP32Eidon tracker
Eidon-AI
29.5 × 24.3 mm17 parts2LNo license15
AVR/ArduinoImu panelized
olin-electric-motorsports
94 × 94 mm639 parts4LNo license14
ESP32Hw sensor
larus-breeze
120 × 74.6 mm215 parts4LCustom license14
AVR/ArduinoDigitalTemperatureController
charlesbaynham
80 × 100 mm163 parts4LNo license14
STM32Reflow Hot Plate Control Board
ikajdan
80 × 80 mm95 parts2LMIT14
Argo v9-stable rev4
SensorsINI
94.8 × 67.2 mm94 parts2LNo license14
Nordic nRFEcad coffeecaller
tiacsys
65.6 × 54 mm78 parts2LCERN-OHL-S-2.014
ESP32IoT12 Control Board
atoomnetmarc
99.1 × 69.9 mm66 parts2LApache-2.014
Raspberry PiSensor
chukhanhhoang
64.8 × 62 mm61 parts2LNo license14
ESP32PCB CANNONBALL
user-will
25.6 × 23.6 mm58 parts4LNo license14
Device
uw-x
24 × 24 mm45 parts2LNo license14
ESP32Lora node esp32 smd GPS
Christophe45
71.1 × 109.2 mm32 parts2LNo license14
WCH CH32/CH55xL.I.P.S.
milar111
38.6 × 15.8 mm17 parts2LCC-BY-NC-4.014
ESP32MoleNet V7.1
ComNets-Bremen
106 × 66.8 mm70 parts4LGPL-3.013
EasyRelay Board
stamina
70 × 80 mm66 parts4LGPL-3.013
Mesp240 3Dpad
hwreverse
181.1 × 117.2 mm60 parts2LMIT13
ESP32PCB-Mini-Environmental-Sensor
MbFredys
25.1 × 25.2 mm32 parts2LCERN-OHL-W-2.013- schematic only · 244 partsAVR/Arduino
PhotonSaw
openspaceaarhus
244 partsApache-2.013 
OWNVERTER
owntech-foundation
100 × 160 mm355 parts6LNo license12
STM32Panel board
ReflexCreations
281 × 195 mm305 parts4LMIT12
ESP32ESPHome-Indoor-Multi-Sensor
mikelawrence
52.5 × 59.7 mm97 parts4LCERN-OHL-P-2.012
Microchip SAMProject-Mach-1
ImperialSpaceSociety
30.5 × 82.6 mm82 parts4LNo license12