1,746 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.
ESP32Pcb designer ai agent
assalas
40 × 30 mm17 parts2LMIT127
Pmw3610
siderakb
23.5 × 31.5 mm15 parts2LCERN-OHL-P-2.0120
ESP32Bitclock
goat-hill
78 × 48 mm58 parts4LMIT112
RP2040/RP2350AgonLight2 Rev A
OLIMEX
106.1 × 64.9 mm237 parts4LGPL-3.0105
STM32MicroRusEFI
rusefi
80.6 × 93.7 mm238 parts2LNo license97
ESP32Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97
Signpost
lab11
68.1 × 66 mm61 parts4LApache-2.097
STM32Explorer
anyshake
100 × 100 mm244 parts2LCustom license95
Microchip SAMTiny4FSK
New-England-Weather-Balloon-Society
35.1 × 76.3 mm80 parts4LCERN-OHL-W-2.095
STM32Hair electrolysis machine usb c
zoemaestra
53 × 53 mm75 parts2LCERN-OHL-P-2.089
Airrohr
hbitter
68.6 × 71.1 mm22 parts2LGPL-3.088
AVR/ArduinoCapacitive soil moisture sensor
RonMcKay
185.3 × 23 mm18 parts2LNo license88
STM32TurboCAN
henrikssn
43 × 43 mm84 parts2LNo license82
STM32FOC
nordstream3
75.2 × 99.5 mm238 parts4LNo license80
Elec RPI Robot HAT
pollen-robotics
65 × 30.9 mm122 parts4LApache-2.080
TRILL-HUB
BelaPlatform
87 × 34 mm14 parts2LNo license75
FPGAZynq
juliancoy
120 × 60 mm295 partsMIT74
FPGASitina 1 Sensor Board
CameraNexus
71.5 × 63.6 mm415 parts6LMIT73
AVR/ArduinoRS485 Soil moisture sensor
Miceuz
18 × 149 mm29 parts4LApache-2.073- schematic only · 44 partsRP2040/RP2350
Chesapeake
dashs20
44 partsNo license73 
ESP8266Window-Door sensor-Version-5
gadjet
31.5 × 20.6 mm30 parts2LGPL-2.070
STM32Temperature logger
Jana-Marie
106 × 50 mm151 parts4LCERN-OHL-S-2.068
M19O2
MakersAsylumIndia
28 × 13 mm4 parts2LMIT68
ESP32OpenDTU-BreakoutBoard
dokuhn
50 × 50 mm9 parts2LCC-BY-NC-4.066
OtterCam s3
49.8 × 49.8 mm155 parts4LCERN-OHL-S-2.065
Chipkit Shield Max32
imciner2
101.6 × 53.3 mm10 parts2LCC-BY-SA-4.065
Raspberry PiAll
goruck
65 × 56 mm19 parts2LApache-2.062
NXPIps20
gzweigle
215.9 × 101.6 mm126 parts2LGPL-3.060
STM32MESC FOC ESC
davidmolony
84 × 66.5 mm183 parts4LBSD-3-Clause59
ESP32Air quality sensor
roepkefeller
50.8 × 45 mm75 parts4LNo license58
ESP8266Tesla-Front-Drive-Unit
damienmaguire
190.5 × 176.6 mm196 parts4LNo license57
STM32STM32F7 FC
rishikesh2715
38.5 × 38.5 mm127 parts8LMIT56
SIM868 Based GSM+GPRS+GNSS+BT Module
vul-os
38.1 × 38.1 mm62 parts2LApache-2.055
ESP32ClimateSprinklerController
kbx81
217 × 108 mm189 parts2LNo license54
STM32LEVIA-H7
piecol
39.5 × 39.5 mm133 parts6LCERN-OHL-S-2.054
STM32Main board
jkominek
100 × 100 mm148 parts4LCustom license53