BMP388 vs BMP280 & I2C Address | Library & Sensor

BMP388 Pinout Equivalent

1：Overview of the BMP388：

The BMP388 is a high-precision barometric/temperature sensor introduced by Bosch, supporting pressure measurement (300-1250hPa with an accuracy of ±0.1hPa), temperature detection (-40~85℃ with an accuracy of ±0.1℃), and altitude calculation. It features low power consumption (less than 1μA in sleep mode), compact size (2.0×2.5mm), and I²C/SPI interfaces. It is widely used in applications such as drone altitude stabilization, wearable device elevation monitoring, and environmental sensing for the Internet of Things.
The BMP388 is mainly used for altitude maintenance in drones, elevation monitoring in wearable devices, environmental weather perception in the Internet of Things, and height tracking in sports equipment.

2：BMP388 Important pin function definition:

3：Alternative model recommendation

BMP280：The BMP280 is a barometric and temperature sensor developed by Bosch, supporting high-precision barometric measurements, temperature detection, and altitude calculation. It features low power consumption (0.5μA in sleep mode), small size (2.5×2.5mm), and I²C/SPI interfaces, making it suitable for various applications such as drone altitude stabilization, smart wearable elevation monitoring, and environmental sensing in the Internet of Things.

ICP-20100 ：ICP-20100 is a high-precision barometric sensor introduced by TDK InvenSense, with a measurement range of 30 to 110 kPa. It supports temperature compensation and has low long-term drift, making it suitable for precise altitude calculations (accuracy up to centimeters). The ICP-20100 stands out for its high precision, low power consumption, and compact size, focusing on barometric and altitude sensing. It is ideal for applications where volume, power consumption, and accuracy are critical, particularly in consumer electronics and IoT fields.

GZP6816D：GZP6816D is a domestically produced high-precision pressure sensor that supports gas pressure measurement ranging from 30 to 110 kPa and temperature compensation between -40°C and 150°C. It uses digital calibration to linearly convert pressure values (for example, a range of 30 Kpa to 110 Kpa corresponds to an AD value of 10% to 90%). The sensor features small size and low power consumption, making it suitable for pressure monitoring and altitude calculation in various applications such as medical devices (like ventilators), industrial process control, and consumer electronics.

MPL3115A2：MS560702BA03-50 features high precision, low power consumption, and compact size as its core advantages, focusing on pressure and altitude sensing. It is ideal for applications where accuracy and size are critical, particularly in consumer electronics, drones, and industrial control fields.