Gravity: BMP388 Barometric Pressure Sensor
Overview
The SEN0251 is a high-performance barometric pressure sensor module based on the Bosch BMP388, integrated into the DFRobot Gravity ecosystem. It offers a wide measurement range from 300 to 1250 hPa with exceptional temperature stability and low noise, making it suitable for precise altitude and environmental monitoring. The module includes a Gravity connector for easy plug-and-play integration with 3.3V and 5V microcontrollers.
Why Choose This Part
The module features a best-in-class offset temperature coefficient, ensuring accurate readings even as environmental temperatures fluctuate between -40C and 80C. Its Gravity-compatible design includes an onboard voltage regulator supporting a wide input range of 3.3V to 5.5V, while maintaining a low run current of 0.5mA.
Applications
Key Specifications
Getting Started
Connect the module to an Arduino or ESP32 using the included 4-pin Gravity cable to access the I2C interface. DFRobot provides a dedicated BMP388 library for the Arduino IDE to simplify data acquisition and altitude calculations. For advanced users, the board also exposes SPI pads for high-speed data requirements.



