BMP280 Barometric Pressure & Temperature Sensor

BMP280 Barometric Pressure & Altitude Sensor

The BMP280 is an environmental sensor manufactured by Bosch Sensortec designed specifically for mobile and IoT devices. With pressure resolution of 0.16 Pa, it can detect altitude differences as fine as ±1 meter, making it the industry standard for drones, altimeters, and micro-weather stations.

Specifications

• Pressure Range: 300 to 1100 hPa (equivalent to +9000m to -500m altitude)
• Relative Accuracy: ±0.12 hPa (approx. ±1 meter altitude resolution)
• Temperature Range: -40°C to +85°C (±1.0°C accuracy)
• Digital Interface: I2C (up to 3.4 MHz) and 3/4-wire SPI
• Supply Voltage: 1.8V - 3.6V (onboard 3.3V LDO regulator included)
• Current Consumption: 2.7 μA @ 1 Hz sampling