
BME280
35 boardsKiCad boards from 15 GitHub repositories tagged “bme280”, the most starred first; open any of them in PCBKit.
- 2 layers72 × 27 mm

- 2 layers25.1 × 25.2 mm

Mini Environmental Sensor
MbFredys/PCB-Mini-Environmental-Sensor
Compact ESP32-C3 environmental-sensor PCB design using BME280 and SGP40 for temperature, humidity, pressure, and VOC-based air-quality sensing.
34 parts14 - 4 layers35.4 × 21.6 mm

ESP32-C3-V4
Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep…
57 parts6MIT - 2 layers59.8 × 61.5 mm

Schematics w display
xtrinch/esp32s2-bme280-webusb
A web-usb enabled application running on ESP32S2 supporting displaying sensor data on a Waveshare e-paper display / sending sensor data to the cloud
11 parts4 - 2 layers24 × 57.8 mm

Weather station
mec-kon/weather_station
A simple weather station hardware (pcb files) for recording temperature, humidity, pressure and airquality.
73 parts3GPL-3.0 - 2 layers125 × 125 mm

BahayShield ULTRA RevA Manual
cikeyz/bahayshield-ultra
Offline flood and typhoon preparedness controller for Arduino Mega 2560 Pro: ultrasonic water level, BME280 pressure trend, TRI scoring, staged alerts, low-voltage relay cutoff.
76 parts2MIT - 2 layers41 × 20.3 mm

Bme280
fm4dd/pmod-bme280
PMOD module for the Bosch BME280 Temperature Humidity Pressure Sensor, connection over I2C.
14 parts2 - 2 layers61.5 × 34 mm

Weather
mirkosertic/ESP8266Weatherstation
A simple weather station based on ESP8266 and BME280. Exports data to MQTT / HomeAssistant
7 parts2MIT - 4 layers90 × 54.7 mm

1st ESP32 Demo project
ashfaque-ur-rahman/ESP32-Multi-Sensor-PCB
ESP32-based multi-sensor PCB with temperature/humidity, light, and microphone sensors — 4 layer Board — KiCad design based on Tech Explorations tutorial
87 parts - 2 layers73.5 × 65.5 mm

ESP32 Sensor Data Acquisition Board
EldinLz/esp32-sensor-daq
Custom ESP32-C3 sensor data acquisition PCB, firmware, fabrication files, and validation plan.
16 parts - 2 layers69 × 30.9 mm

Data acquisition
IEEE-VIT/Iot-Data-Acquisiton-Board
The 2-Layer IoT Data Acquisition Board is an ESP32-based PCB designed for precision environmental monitoring. It integrates MQ-6 and BME280 sensors with an ADS1115 16-bit ADC and MCP6002 .
19 partsMIT - 2 layers

- 2 layers162 × 60 mm

Air detector
shm-dmitry/air-detector
Air status sensor with hass integration and fan control
132 partsApache-2.0 - 4 layers80 × 60 mm

Bluepill SensorNode Carrier
SimulatedFlow/kicad-board-2026-07-29-bluepill-sensor-node
STM32 Bluepill environmental sensor node carrier - BME280 temperature / humidity / pressure, RTC and OLED display. Solder kit, bare PCB.
21 parts - 2 layers55 × 55 mm

Station
UltimateDoge5/Cloudy
A weather station project based on the BME280 sensor with live database updates and a web ui.
20 parts - 2 layers28.3 × 28.7 mm

ESP32-C3
Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep…
50 parts6MIT - 4 layers27.7 × 24.3 mm

ESP32-C3-V2
Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep…
53 parts6MIT - 4 layers27.7 × 24.3 mm

ESP32-C3-V3
Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep…
49 parts6MIT - 2 layers34.2 × 73.3 mm

Schematics v2
xtrinch/esp32s2-bme280-webusb
A web-usb enabled application running on ESP32S2 supporting displaying sensor data on a Waveshare e-paper display / sending sensor data to the cloud
3 parts4 - 2 layers135 × 95 mm

Bahayshield ultra prototype 1
cikeyz/bahayshield-ultra
Offline flood and typhoon preparedness controller for Arduino Mega 2560 Pro: ultrasonic water level, BME280 pressure trend, TRI scoring, staged alerts, low-voltage relay cutoff.
25 parts2MIT - 2 layers

- 2 layers

- 2 layers

- 2 layers98.5 × 59.3 mm
