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.
AVR/ArduinoPromini rfm95w
13
17.8 × 60 mm9 parts2LNo license0
AVR/ArduinoRN2483shield
MOSH-Insa-Toulouse
68.9 × 53.6 mm8 parts2LNo license0
Boiler BASE
energietransitie
51.6 × 36 mm6 parts2LCERN-OHL-P-2.00
Antenna PCB v1
buttonbugs
50 × 20 mm6 parts2LNo license0
SHT30 breakout
Yadnik1
26.4 × 17.5 mm6 parts2LNo license0
Sensor head v4
bwnzhng
25.1 × 36.8 mm6 parts2LNo license0
EncoderBoard
mkousal
20 × 10 mm5 parts2LNo license0
NXPPCB 2
kubbd
59 × 59 mm5 parts2LNo license0
AS5048
AQUA-Warrior
18.3 × 19.5 mm4 parts2LNo license0
Halfwave Rectifier
Constellation-destroyer
46.5 × 17 mm4 parts2LMIT0
Trunk imu
Leif-Rydenfalk
18 × 15 mm4 parts2LApache-2.00
Sensor bus hat
sslivins
16.5 × 26.5 mm3 parts2LNo license0- schematic only · 253 partsAVR/Arduino
Camper van
akladnig
253 parts2LNo license0 - schematic only · 81 partsESP32
ReefVolt SensorBuddy
blueacro
81 parts4LCERN-OHL-P-2.00 - schematic only · 72 partsESP32
Kicad
goog-yaml
72 parts2LNo license0 
Sensors
StuckAtPrototype
15.2 × 9 mm14 parts4LApache-2.03.8k
RP2040/RP2350Msa
Mentra-Community
47.8 × 9.4 mm53 parts2LMIT1.2k
Pots
shanteacontrols
390 × 93 mm75 parts2LApache-2.0956
Dml20m
jonnor
40 × 20 mm27 parts2LNo license315
Fanpico oled adapter
tjko
25 × 14.5 mm3 parts2LGPL-3.0238
STM32Many485
eddyem
80 × 84 mm107 parts2LNo license206
Pmw3360 pcb pinheader
siderakb
23.5 × 33 mm12 parts2LCERN-OHL-P-2.0194
Pressure Sensor Daughterboard: MPX5700AP/GP
RespiraWorks
42 × 25 mm8 parts2LApache-2.0168
Pc healthypi move program adapter v7
Protocentral
62 × 10 mm11 parts4LMIT156
STM32Io board
vedderb
127 × 36.2 mm82 parts2LGPL-3.0145
Ukmarsbot wall sensor advanced
ukmars
27.3 × 80 mm28 parts2LMIT137
Power board
FOSDEM
109.5 × 76 mm150 parts2LNo license114
Sensor emitter board
open3doled
26 × 23.5 mm7 parts2LCustom license91
NXPDNMS - Digital Noise Maesurement Sensor
hbitter
131.1 × 19.2 mm16 parts2LGPL-3.088
Trill flex base
BelaPlatform
22.5 × 36.3 mm12 parts2LNo license75
Adapter por
Miceuz
48.5 × 19.5 mm20 parts2LApache-2.073
STM32Lensmount
Jana-Marie
49.8 × 49.8 mm33 parts2LCERN-OHL-S-2.065
CubeSatKit StackBoard
imciner2
90.2 × 95.9 mm3 partsCC-BY-SA-4.065
AVR/ArduinoSirDuke
vul-os
42.4 × 14.1 mm20 parts2LApache-2.055
Video+Sound
aslak3
98.6 × 92.1 mm101 parts4LGPL-2.038
Current Sensor Breakout
antevens
80.1 × 49.4 mm14 parts2LSHL-2.136
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