The latest development version of this page may be more current than this released 3.7.0 version.

LPS22HB: Temperature and Pressure Monitor

Overview

This sample periodically reads pressure from the LPS22HB MEMS pressure sensor and displays it on the console.

Requirements

This sample uses the LPS22HB sensor controlled using the I2C interface.

References

LPS22HB: https://www.st.com/en/mems-and-sensors/lps22hb.html

Building and Running

This project outputs sensor data to the console. It requires an LPS22HB sensor, which is present on the disco_l475_iot1 board.

west build -b disco_l475_iot1 samples/sensor/lps22hb

Sample Output

Observation:1
Pressure:98.7 kPa
Temperature:22.5 C
Observation:2
Pressure:98.7 kPa
Temperature:22.5 C
Observation:3
Pressure:98.7 kPa
Temperature:22.5 C

<repeats endlessly every 2 seconds>