Main Content

HTS221 Humidity Sensor

Measure relative humidity and temperature from HTS221 sensor

Since R2021a

expand all in page

Add-On Required: This feature requires the Simulink Support Package for Arduino Hardware add-on.

  • block icon for HTS221 Humidity Sensor

Libraries:
Simulink Support Package for Arduino Hardware / Sensors

Description

The HTS221 Humidity Sensor block measures relative humidity and ambient temperature using the HTS221 humidity sensor interfaced with the Arduino® hardware. This sensor comprises of a sensing element to measure the relative humidity and temperature.

You can also select an output data rate for the measured values in the block.

Note

If you are using Arduino Nano 33 BLE Sense hardware, which always includes an embedded sensor, reading data from a breakout board containing HTS221 sensor is not supported.

Ports

Output

expand all

The block outputs the relative humidity in percentage (%).

Dependencies

This output port appears only if you select the Humidity (%) parameter.

Data Types: double

Temperature (in ℃) measured by HTS221 sensor connected to Arduino board.

Dependencies

This output port appears only if you select the Temperature (℃) parameter.

Data Types: double

Status of pressure and temperature measurements, specified as a 1-by-2 vector. 0 indicates that the data read is new, 1 indicates that the data read is not new, and -1 indicates that the corresponding output is not selected.

Dependencies

This output port appears only if you select the Status parameter.

Data Types: int8

Parameters

expand all

Specify the I2C module on the Arduino hardware to communicate with sensor peripherals. For more information on the Arduino pin mapping and modules that hardware boards support, see Pin Mapping for Arduino Timer Independent Blocks.

The peripheral address for the HTS221 sensor to communicate with the Arduino hardware.

Select this parameter to set Humidity as one of the output ports.

Select this parameter to set Temperature as one of the output ports.

Select this parameter to set Status as one of the output ports.

Select the output data rate at which humidity data is sampled.

Specify how often this block reads the data from the HTS221 sensor. When you set this parameter to -1, Simulink determines the best sample time for the block based on the block context within the model.

Version History

Introduced in R2021a

See Also