BMP280 Pressure Sensor GY-BMP280

GY-BMP280-3.3 is a high-precision altimeter sensor and atmospheric pressure sensor module.

• Module Type: BMP280 Atmospheric Pressure Sensor Module
• Module Model: GY-BMP280-3.3
• Chip Used: BMP280
• Power Supply: 3V
• Communication: Standard IIC / SPI Communication Protocol
• Pressure Range: 300-1100 hPa
• Heavy Gold PCB with Machine Soldering Process to Ensure Quality
• Pin Spacing: 2.54 mm
• Module Size: 11.5 mm x 15 mm

The BMP280 utilizes proven piezoresistive pressure sensor technology, offering high precision, high linearity, long-term stability, and electromagnetic compliance robustness. It provides flexibility in terms of operating options for various devices, optimizing power consumption, resolution, and filter performance. A sample test use case is designed for developers, aiming to simplify default settings as much as possible.

Applications:

• GPS navigation enhancement (e.g., AP, navigation calculations, elevation detection improvement)
• Indoor navigation (ground testing, elevator testing)
• Outdoor, recreational, and sports navigation applications
• Weather forecasting
• Implementation of health services (such as spirometry)
• Vertical speed indicator (rising or sinking rate)
• In applications such as weather forecasting, elevation measurement, indoor navigation, fitness, and sports, the digital pressure sensor BMP280 can deliver outstanding performance with a relative accuracy of ±0.12 hPa (±1 m).

Precise altitude measurement:

Pressure sensors can enhance GPS/GNSS accuracy, especially in cases of limited or lost GPS satellite signals. Today, the barometric pressure sensor has become a key element for differentiation in high-end smartphones.

The digital pressure sensor BMP280 can provide excellent performance with a relative accuracy of ±0.12 hPa (±1 meter). The sensor's power consumption is only 2.7 µA. BMP280, packaged in a small form factor of 2.0 x 2.5 x 2.5 mm³, includes pressure and temperature measurement capabilities.