Description
The BMP280 Barometric Pressure and Temperature Sensor Module is a compact digital sensor designed for accurate measurement of atmospheric pressure and temperature. Its pressure readings can also be used to estimate altitude, making it useful for navigation and vertical movement applications.
The module supports both I²C and SPI communication, providing flexible integration with Arduino, ESP32, Raspberry Pi, and other compatible development platforms. Its low power consumption makes it suitable for portable and battery-powered projects.
With a pressure measurement range of 300–1100 hPa and an operating temperature range of -40°C to +85°C, the BMP280 is well suited for weather stations, indoor and outdoor navigation, altitude measurement, and other environmental sensing applications.
Features
- High-precision atmospheric pressure measurement
- Temperature measurement
- Pressure range of 300–1100 hPa
- Suitable for altitude estimation
- Low power consumption
- Supports I²C and SPI communication
- Multiple operating modes: sleep, forced, and normal
- Built-in IIR filter for reducing short-term disturbances
- Compact module design
- Easy integration with microcontroller projects
Specification
- Model: GY-BMP280-3.3
- Sensor Chip: BMP280
- Power Supply: 3V DC
- Pressure Range: 300–1100 hPa
- Temperature Range: -40°C to +85°C
- Absolute Pressure Accuracy: ±1 hPa
- Relative Pressure Accuracy: ±0.12 hPa
- Estimated Altitude Accuracy: Approximately ±1 m
- Interface: I²C / SPI
- I²C Speed: Up to 3.4 MHz
- SPI Speed: Up to 10 MHz
- Pin Pitch: 2.54 mm
- Module Size: Approximately 11.5 × 15 mm
- Sensor Package: 8-pin LGA, approximately 2.0 × 2.5 × 0.95 mm
Applications
- Weather monitoring and forecasting
- Home weather stations
- Altimeter systems
- GPS and navigation enhancement
- Indoor floor and elevator detection
- Hiking and cycling navigation
- Vertical velocity measurement
- Arduino, ESP32, and Raspberry Pi projects
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