BME280 Environmental Sensor
Digital temperature, humidity and pressure sensor for weather stations.
AI Ready Overview
Quick Summary
BME280 is a environmental sensor commonly used in FYP and embedded projects. It is best for weather station and smart greenhouse, with wiring and testing planned around Arduino, ESP32, Raspberry Pi.
Difficulty
Beginner
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Cost
RM12-RM35 module range in Malaysia; full project cost depends on scope.
Components
BME280, Arduino, ESP32, Raspberry Pi
Overview
What is BME280?
BME280 measures temperature, humidity and pressure using I2C or SPI. It is a cleaner choice than DHT sensors for compact weather station and environmental monitoring projects.
Engineering Reference
Quick Specs
| Measures | Temperature, humidity, pressure |
|---|---|
| Interface | I2C or SPI |
| I2C Address | 0x76 or 0x77 |
Real Usage Notes
Suitable / Not Suitable
Suitable for
- ✓ Weather station
- ✓ Smart greenhouse
- ✓ Indoor comfort monitoring
- ✓ Pressure trend demos
Not suitable for
- ✕ Gas/VOC measurement
- ✕ Waterproof outdoor exposure without enclosure
Build Planning
Difficulty
BME280 is rated Beginner. Plan around 1-3 days for basic wiring and sample code; 1 week if used inside a complete fyp prototypedepending on wiring, libraries, calibration, dashboard/app integration and testing evidence.
Build Planning
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Malaysia Price Guidance
Cost
Typical module price range: RM12-RM35. This is component guidance only; a complete FYP cost depends on controller, sensors, casing, display, app/dashboard, documentation and timeline.
Connections
Pinout
VIN/VCC
Power input.
GND
Ground.
SCL
I2C clock.
SDA
I2C data.
Platform Notes
Wiring Guides
BME280 with ESP32
Use default I2C pins or define your own Wire pins in code.
| SDA | GPIO21 |
|---|---|
| SCL | GPIO22 |
| VIN | 3.3V |
| GND | GND |
Fix Common Problems
Troubleshooting
Troubleshooting
Common Mistakes
FYP Ideas Using BME280
Related Projects
Compare Options
Alternative Components
Student Questions
FAQ
BME280 vs BMP280: what is the difference?
BME280 measures humidity, temperature and pressure. BMP280 measures pressure and temperature only.