Humidity and Thermometer Sensirion HTS221(I2C)
Summary
Measures ambient temperature and relative humidity using the Sensirion HTS221 digital sensor over I²C.
Description
The **Humidity and Thermometer Sensirion HTS221 (I2C)** component provides high-precision temperature and humidity readings. It communicates via the I²C bus and supports features such as averaging, one-shot measurement mode, and built-in heater control. Data availability can be monitored using the configurable **Data Ready** pin.
Diagram:
Properties
- Enabled – Enables or disables the component.
- In Fahrenheit – Outputs temperature in Fahrenheit instead of Celsius.
- Address – I²C address of the HTS221 sensor.
- Average - Humidity – Number of samples averaged for humidity measurement (default 32).
- Average - Temperature – Number of samples averaged for temperature measurement (default 16).
- Data Ready - Signal Enabled – Enables the data ready output pin.
- Data Ready - Active Low – Makes the data ready pin active low.
- Data Ready - Open Drain – Configures the data ready pin as open-drain.
- Heater Enabled – Turns on the sensor’s internal heater.
- One Shot – Initiates a single measurement cycle.
- Power Down – Puts the sensor into low-power mode.
- Sample Rate – Measurement frequency in Hz (options: 1.0, 7.0, 12.5).
Pins
Input Pins
- Clock – Triggers reading or controls timing for one-shot measurements.
- Sensor (I2C) – I²C communication lines for the sensor.
Output Pins
- Temperature (analog) – Ambient temperature in Celsius or Fahrenheit.
- Humidity (%) (analog) – Relative humidity output as a percentage.
Categories
- File:TArduinoSensorsCategory.png Category Sensors – Temperature and humidity measurement.
- File:TArduinoI2CCategory.png Category I2C – I²C-enabled sensors and devices.
- File:TArduinoAnalogCategory.png Category Analog – Analog output values.
- File:TArduinoDigitalCategory.png Category Digital – Digital data ready signal.
