.. SPDX-License-Identifier: GPL-2.0 Kernel driver sht4x =================== Supported Chips: * Sensirion SHT4X Prefix: 'sht4x' Addresses scanned: None Datasheet: English: https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/2_Humidity_Sensors/Datasheets/Sensirion_Humidity_Sensors_SHT4x_Datasheet.pdf Author: Navin Sankar Velliangiri Description ----------- This driver implements support for the Sensirion SHT4x chip, a humidity and temperature sensor. Temperature is measured in degree celsius, relative humidity is expressed as a percentage. In sysfs interface, all values are scaled by 1000, i.e. the value for 31.5 degrees celsius is 31500. Usage Notes ----------- The device communicates with the I2C protocol. Sensors can have the I2C address 0x44. See Documentation/i2c/instantiating-devices.rst for methods to instantiate the device. Sysfs entries ------------- =============== ============================================ temp1_input Measured temperature in millidegrees Celcius humidity1_input Measured humidity in %H update_interval The minimum interval for polling the sensor, in milliseconds. Writable. Must be at least 2000. =============== ============================================