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.
Lighthouse buttons
mwuerms
128 × 8 mm8 parts2LMIT0
AVR/ArduinoBroadcastnode
aneeshlingala
36 × 34.8 mm8 parts2LNo license0
AVR/ArduinoArduino
Abdenry
35 × 65 mm8 parts2LNo license0
Base station PCB V0.3.1
ARTS-Laboratory
55.6 × 53 mm8 parts2LCC-BY-SA-4.00
RP2040/RP2350DST-MotherBoard
nicolas-viale
150 × 60 mm8 parts2LNo license0
PCA9548A Breakout
chuahengli
66 × 76.2 mm7 parts2LNo license0
Samplooler stack top
willbearfruits
90 × 64 mm6 parts2LGPL-3.00
Test
Yadnik1
23 × 20 mm6 parts2LNo license0
ModBusRS485CableJunction
pe1mew
62.4 × 32.3 mm6 parts2LCC-BY-NC-4.00
ESP32Hub board diy
felixfelix-bot
45 × 38 mm5 parts2LNo license0
Honeywell HSC SMT Pressure Sensor
marionas01
20 × 22 mm4 parts2LNo license0
PCB 1
kubbd
59 × 59 mm4 parts2LNo license0
RP2040/RP2350Sensor - MA600A
sedlak477
22.3 × 20 mm4 parts2LCERN-OHL-P-2.00
Papertape spacer
Supermagnum
50.8 × 43.2 mm4 parts2LNo license0
EC10 AdapterBoard
NOAA-PMEL
25.4 × 20.3 mm3 parts2LBSD-3-Clause0
NFH PipeSensors
energietransitie
40 × 15 mm3 parts2LCERN-OHL-P-2.00
Touch sensor
Open-Air-Foundation
60.6 × 50.7 mm3 parts2LCC-BY-SA-4.00- schematic only · 49 partsSTM32
ReefVolt DryContact — 4ch Form-C carrier
blueacro
49 parts4LCERN-OHL-P-2.00 
Microphone
Mentra-Community
5.5 × 6.1 mm6 parts2LMIT1.2k
STM32MBO
shanteacontrols
390 × 78.2 mm45 parts2LApache-2.0956
AVR/ArduinoBm7161
jonnor
12 × 15.5 mm15 parts2LNo license315
Ovc5
osrf
98 × 97 mm197 parts6LApache-2.0208
STM32Stm32
eddyem
98 × 63.5 mm98 parts2LNo license206
Pressure Sensor Daughterboard: MPXV5004DP/5010DP
RespiraWorks
42 × 25 mm8 parts2LApache-2.0168
STM32RFMote PA
vedderb
64 × 27 mm73 parts4LGPL-3.0145
UKMARSBOT Template
ukmars
28.7 × 81.3 mm24 parts2LMIT137
DNMS-RPI-HAT-V1.0
hbitter
65 × 30 mm13 parts2LGPL-3.088
TRILL-BAR
BelaPlatform
101.6 × 21.6 mm8 parts4LNo license75
Interconnect
Miceuz
37.5 × 35.5 mm4 parts2LApache-2.073
AceA00
gzweigle
24.1 × 46.7 mm26 parts2LGPL-3.060
MicroSD to DIP TXB0104
vul-os
30.5 × 20.3 mm13 parts2LApache-2.055
STM32Pedal board
jkominek
108 × 56 mm43 parts2LCustom license53
Printer+Sticks
aslak3
98.6 × 80 mm24 parts4LGPL-2.038
STM32BAGEL Switch MK1
ISSUIUC
70 × 70 mm189 parts4LNo license31
BMI270-and-QMC5883L
ras-marques
5 × 8.1 mm12 parts2LMIT29
AVR/ArduinoDenjuDivision Tei Minisumo Board
T3nk4I
85.5 × 32.5 mm28 parts2LGPL-2.027
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