BMP388 is a 24-bit high-precision pressure sensor that supports I2C/SPI interface and is compatible with 3.3V/5V voltage levels. It is small, low power, low noise, high precision, and is especially suitable for drones, precision altimeters, environmental monitoring and IoT applications.
This document is the user manual for the Waveshare BMP388 Barometric Pressure Sensor. It describes the sensor as a 24-bit high-precision device capable of detecting atmospheric pressure and temperature, supporting I2C/SPI interfaces, and operating at 3.3V/5V logic levels. The sensor is designed for applications such as drones, altimeters, environmental monitoring, and IoT. This manual is written in Chinese.
| Resolution | 0.008%RH (absolute), 0.18Pa (relative) |
|---|---|
| Pressure Range | 300~1250 hPa |
| Operating Voltage | 5V/3.3V |
| Communication Interface | I2C/SPI |
| Operating Temperature | -40~85℃ |
| Dimensions | 32mm × 20mm |
The sensor supports I2C and SPI communication interfaces, with I2C being the default.
The sensor can detect atmospheric pressure ranging from 300 to 1250 hPa.
Yes, it features an on-board level conversion circuit compatible with 3.3V/5V operating levels.