BH1750 is a Digital Ambient Light Intensity Sensor that is commonly used in mobile phones to manipulate the screen brightness based on the environment lighting. This sensor can accurately measure the LUX value of light up to 65535lx.

Pin Configuration of BH1750 Sensor
Pin Number Pin Name Description
1 VCC Power supply for the module can be 2.4V to 3.6V, typically 3.0V is used
2 GND Ground of the module, connected to ground of the circuit
3 SCL Serial Clock Line, used to provide clock pulse for I2C communication
4 SDA Serial Data Address, used to transfer the data through I2C communication
5 ADDR Device address pin, used to select the address when more than two modules are connected

Features of BH1750 Light sensor
Power Supply: 2.4V-3.6V (typically 3.0V)
Less current consumption: 0.12mA
Measuring Rang: 1-65535lx
Communication: I2C bus
Accuracy: +/-20{7e82c6d62784066d1b113f595afb6e15f0ca3fec289cddd29e600df910d44428}
Built in A/D converter for converting analog illuminance in the digital data.
Very small effect of IR radiation
Highly responsive near to human eye.