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.
Smartcube revA CLEAN FLEX
manhoosbilli1
13.1 × 12 mm4 parts6LNo license0
NXPCAPSTONE sensor unitV 3
ARTS-Laboratory
81.3 × 33 mm4 parts2LCC-BY-SA-4.00
EncoderArduino IoT
DaniMzT
51.5 × 47.5 mm4 parts2LNo license0
PCB 3
kubbd
53.7 × 59.6 mm4 parts2LNo license0
Anemometer
Abdenry
22 × 12 mm4 parts2LNo license0
Sensor board
davorvr
85.5 × 17.8 mm3 parts2LGPL-3.00- schematic only · 124 partsRP2040/RP2350
Keyboard
dyu134
124 parts2LNo license0 
Sensor smd
scottbez1
40 × 20 mm5 parts2LApache-2.04.2k
USB
shanteacontrols
52 × 12.6 mm6 parts2LApache-2.0956
AVR/ArduinoTinypulse
jonnor
14 × 12.5 mm12 parts2LNo license315
STM32Mainboard
eddyem
58 × 35 mm86 parts2LNo license206
Pressure mpxv5004dp
RespiraWorks
42 × 25 mm8 parts2LApache-2.0168
STM32Uwb
vedderb
56 × 34.5 mm53 parts2LGPL-3.0145
STM32MicroRusEfi
rusefi
129.5 × 127.6 mm199 parts2LNo license97
Strain 1-3
cuspaceflight
40 × 33 mm95 parts2LNo license93
NXPProPrj DNMS TEENSY 2025-10-10
hbitter
90 × 18.5 mm12 parts2LGPL-3.088
TRILL-HEX
BelaPlatform
46.5 × 52.9 mm8 parts4LNo license75
Adapter
Miceuz
35.5 × 19.5 mm3 parts2LApache-2.073
MicroSD to DIP Breakout 74HC4050
vul-os
30.5 × 20.3 mm7 parts2LApache-2.055
Link adapter
jkominek
77.5 × 40.6 mm38 parts2LCustom license53
TestSRAM
aslak3
98.6 × 54.9 mm15 parts2LGPL-2.038
ESP32MIDAS MK2.1
ISSUIUC
45 × 100 mm186 parts4LNo license31
BNO085 0x4A Board
ras-marques
8.1 × 8.8 mm12 parts4LMIT29
Shu BEC
T3nk4I
12 × 15.8 mm14 parts2LGPL-2.027
STM32Controller rev5.0 flat
oresat
100 × 100 mm198 parts4LGPL-2.019
ESP328 Channel Sensor Hub
sufst
58.5 × 57.5 mm96 parts4LGPL-3.019
ESP32Mbira
collaborative-music-lab
108 × 50 mm33 parts2LNo license19
BesteLampe! LED Moudule C
lenaschimmel
70 × 79.1 mm59 parts4LNo license18
Panel
Aightech
80 × 100 mm22 parts4LGPL-3.017
SensorLEM1
horychen
111.7 × 25.8 mm79 parts4LGPL-3.016
ESP32Lora node esp32
Christophe45
48.3 × 88.9 mm22 parts2LNo license14
Mesp240 gamepadshield
hwreverse
147.3 × 55.9 mm30 parts2LMIT13
Vcc board
bigbrainlabs
20 × 80 mm10 parts2LCustom license11
Grabette - Angle Sensor
pollen-robotics
20 × 20 mm8 parts2LApache-2.010
Mmc5983ma
PinkFluffyUnic0rn
18.3 × 13.9 mm5 parts2LGPL-3.010
STM32Pq obc comms old
nanosatlab
40 × 40 mm62 parts4LNo license9
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