BH1750FVI Digital Light Sensor Module Interface: I2C digital twowire serial bus interface Light range: 1 to 65535 lux Sensitivity characteristics: Sensitivity wavelength typical 560 nm Electrical: Working voltage DC 5V Dimensions: Outer diameter 26 mm; large diameter edge 28.5 mm; height 26 mm (plus light beads) Function: Digital light sensor IC with I2C interface for ambient light measurement Uses: The light intensity data collection module can be used to adjust the LCD brightness of the keyboard backlight Performance: Resolution capable of detecting a wide range of light intensity Brand/model consistency: BH1750FVI Digital Light Sensor Module for ambient light sensing Compatibility: Designed for systems using I2C and 5V supply Use scenarios Automatic keyboard backlight control: Use ambient light data to automatically adjust keyboard LCD backlight brightness for comfortable visibility and power efficiency Display and panel backlighting: Integrate with controllers to regulate display or panel lighting based on surrounding light levels for improved readability and energy management Smart lighting and environmental sensing: Employ in consumer electronics and smart devices to respond to changing light conditions and maintain consistent user experience