90 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.
RP2040/RP2350Open Source Smart Glasses
Mentra-Community
93 × 10.5 mm80 parts4LMIT1.2k
VESC Controller
paltatech
160 × 90 mm908 parts2LNo license354
RP2040/RP2350Fanpico
tjko
135 × 81.5 mm208 parts2LGPL-3.0238
AVR/ArduinoInfidel sensor
drspangle
50 × 20 mm16 partsCC0-1.0207
STM32Multistepper
eddyem
113.5 × 105.5 mm234 parts4LNo license206
ESP32Bitclock
goat-hill
78 × 48 mm58 parts4LMIT112
STM32MicroRusEFI
rusefi
80.6 × 93.7 mm238 parts2LNo license97
ESP32Plantpal
teapotlaboratories
38.4 × 128.5 mm109 parts4LMIT97
Microchip SAMTiny4FSK
New-England-Weather-Balloon-Society
35.1 × 76.3 mm80 parts4LCERN-OHL-W-2.095
TRILL-HUB
BelaPlatform
87 × 34 mm14 parts2LNo license75
FPGAZynqPCB
juliancoy
120 × 60 mm295 partsMIT74
ESP32AnthC
Anthilla
85 × 56 mm203 parts4LNo license39
ESP32Open ambient sensor
hubertciebiada
120 × 103.5 mm52 parts2LGPL-3.031
STM32Shirley-FC-Dev-Board
Bare-Metal-Foundry
56 × 46 mm110 parts4LNo license29
Toolhead PCB
skuep
49.8 × 29 mm17 parts2LGPL-3.028
Wiimote ir sensor
eatnooM
13.5 × 16.3 mm10 parts2LCC-BY-SA-4.019- schematic only · 69 parts
Cohdl
conol-ai
69 partsMIT16 
ESP32Dronemagnav
ajisrawi
64 × 60 mm56 parts4LCustom license11
ISM01
mlab-modules
60.5 × 40.1 mm94 parts2LGPL-3.010
STM32Main
wgbowley
60 × 40 mm59 parts2LMIT8- schematic only · 9 partsSTM32
MetaForge
FidelOdok
9 partsCustom license8 
Raspberry PiLamoka1/2 PCB
bearjhartjen
122.7 × 124.8 mm126 parts2LCERN-OHL-W-2.07
Wearable ECG ADS1293 nrf52840
NeDaMo93
24.4 × 35.6 mm41 parts4LNo license7- schematic only · 1 parts
MR-NAVQ95
NXP-Robotics
1 partsSHL-2.17 
AVR/ArduinoController board
andia89
69 × 54 mm73 parts2LNo license6
ESP32Esp32-c3-iot sensor board
Ans1S
35.4 × 21.6 mm57 parts4LMIT6
RP2040/RP23500c3674082e0cce0e5fe83b9af95129ea7c01d67ed40b5156bc41833dda929227
autonomous-ai
82 × 58 mm61 parts2LMIT5
Main+front
pioupiou-archive
76 × 29 mm43 parts2LNo license4
RP2040/RP2350MSA
30.5 × 138 mm61 parts2LMIT1.2k
STM32VESC Controller
160 × 90 mm336 parts4LNo license354
Fanpico powerboard
65 × 65 mm15 parts2LGPL-3.0238
STM32Nitrogen
80 × 80 mm136 parts4LNo license206
STM32Sun sensor test
rgw3d
132.7 × 37.3 mm151 parts2LGPL-3.0155
ESP32Lsa
SRA-VJTI
61.9 × 24.2 mm16 parts2LMIT80
Trill craft A3
52 × 21 mm12 parts2LNo license75
V0-UmbilicalBoard
122 × 37 mm17 parts2LGPL-3.028