2,248 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.
NXPObc
candacedo
42 × 42 mm6 parts2LMIT5
Anavi soil moisture sensor
AnaviTechnology
22.9 × 61 mm6 partsNo license5
RP2040/RP2350Esphome xiao base
0rax
40 × 30 mm6 parts2LCERN-OHL-S-2.05
Raspberry PiSmart-Chessboard
InputBlackBoxOutput
195 × 160 mm216 parts2LNo license4
STM32EcoApi BeeHiveMonitoring
EcoApi
90.6 × 58 mm166 parts2LGPL-3.04
Esc w26
Electrium-Mobility
125 × 80 mm165 parts4LMIT4
STM32Lre avio daq2
IITB-Rocket-Team-Avionics
4.5 × 13.4 mm136 parts2LMIT4
ESP32Enviro node
DPIclimate
106.7 × 156.6 mm133 parts2LMIT4
RS485USB
jirihusak
68 × 87 mm120 parts2LGPL-3.04
Polygonus-Universal-112
FOME-Tech
160 × 121 mm120 parts4LNo license4
RP2040/RP2350Electronics
Project-Stinger
89.8 × 64 mm113 parts4LCustom license4
AVR/ArduinoAvr ledprojection
cnlohr
50 × 50 mm111 parts2LMIT4
STM32Dreamscape-F722
sneakylizard123-4
40 × 40 mm104 parts4LNo license4
STM32IMpack
harrislab-brown
38 × 35.3 mm94 parts4LCC-BY-SA-4.04
STM32LUT
eddyem
108 × 95 mm93 parts2LGPL-3.04
ESP32WeatherV3-kernelcon2026
ZonkSec
66 × 143.3 mm82 parts2LNo license4
PICEcu pic16f877a
felipeschmitt04
106.7 × 81.4 mm77 parts2LNo license4
ESP32UWB Fly Drone
DynamicWhiteHat
40 × 61 mm75 parts2LNo license4
STM32Stm32f4xx minimal dev
amrithHN
70.8 × 70.8 mm74 parts4LGPL-3.04
ESP32Uamsense
GNB-UAM
69.7 × 95.9 mm72 parts2LGPL-3.04
DotBot
DotBots
91.4 × 100.3 mm62 parts4LBSD-3-Clause4
ESP32Esp32-c6-environmental logger
pushtiujeniya
75 × 56.4 mm59 parts4LNo license4
STM32Wearable-Air-Quality-Pendant
Circuit-Digest
32.5 × 32.5 mm46 parts2LMIT4
ESP32Kicad duct turbo fan controller
scattym
42.7 × 48.8 mm46 parts2LGPL-3.04
STM32Controller-Drone
Himanshukohale22
59.8 × 39.6 mm43 parts2LNo license4
Main+front
pioupiou-archive
76 × 29 mm43 parts2LNo license4
ESP32BallValveController
hansrune
55.6 × 43.2 mm43 parts2LCustom license4
ESP32OpenTimeWatch-1
OpenTimeWatch-Project
35 × 44 mm41 parts2LMIT4
R2-Backplane
Manuvr
24.8 × 67.1 mm41 parts4LNo license4
ESP32ESP32-Sensing-Device
turgu1
29.9 × 28.6 mm38 parts2LMIT4
RP2040/RP2350BuhSat v0
Sadteeto
100 × 100 mm32 parts2LMIT4
NXPMain board
ARTS-Laboratory
40.6 × 78.5 mm30 parts2LCC-BY-SA-4.04
AVR/ArduinoProgress 4 Final
AhmadHaniF1145
102.1 × 53.8 mm25 parts2LNo license4
RP2040/RP2350Default
pete529
14.4 × 40 mm21 parts2LMIT4
ESP8266Meteo home
deuteros76
36.5 × 51 mm17 parts2LNo license4
Nordic nRFSelf balancing robot
K0nradG
139.7 × 114.3 mm16 parts2LApache-2.04
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130