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RIOT/tests/driver_sht2x/README.md
Kees Bakker 50ec5130d6 drivers: add support for SHT2x (I2C temp and humidity sensor) 
Several parts were inspired by a driver written by:
  George Psimenos (gp7g14@soton.ac.uk)
  Steffen Robertz (steffen.robertz@rwth-aachen.de)
2019-02-05 22:17:30 +01:00

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Sensirion SHT20/SHT21/SHT25 Humidity and Temperature Sensors

About

This is a test application for the SHT2x humidity/temperature sensor driver.

Usage

This test application will initialize the SHT2x sensor with the following parameters: - default device type: SHT21 - 14-bit temperature resolution - 12-bit humidity resolution

To change these parameters, you can override them by setting their corresponding defines in your build environment, e.g.

CFLAGS=-DSHT2X_PARAM_RESOLUTION=SHT2x_RES_8_12BIT make ...

See drivers/sht2x_params.h for the default configuration.

After initialization, the sensor reads the temperature and humidity values every one second and prints them to STDOUT. The chip-heater of the SHT2x will be turned on in the beginning, so the temperature should rise over time and the humidity should decrease.