Reference

Library

• SHT3x Library and Example Programs
• Installation instructions: About how to install the library?

Communication Protocol Description

• Communication Interface: IIC (I²C)
• IIC Address Options:
  • 0x45 (ADR pin connected to VDD)
  • 0x44 (ADR pin connected to GND)
• Supported Voltages: 3.3V/5V compatible

API Description

/**
 * @brief Get the measured temperature (in degrees Celsius).
 * @return Return the temperature data of float type. 
 */
float getTemperatureC();

/**
 * @brief Get the measured temperature (in degrees Fahrenheit).
 * @return Return the temperature data of float type. 
 */
float getTemperatureF();

/**
 * @brief Get measured humidity(%RH).
 * @return Return the humidity data of float type.
 */
float getHumidityRH();

Key API Functions Used in Examples:

• begin(): Initialize sensor communication
• readSerialNumber(): Retrieve chip serial number
• softReset(): Reset sensor via IIC command
• startPeriodicMode(): Enter periodic measurement mode
• stopPeriodicMode(): Exit periodic measurement mode
• setTemperatureLimitC(): Set temperature thresholds (Celsius)
• setHumidityLimitRH(): Set humidity thresholds (%RH)
• environmentState(): Check threshold violation status

Other Supplementary Information

• SHT3X Handling Instructions