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APDS 9301 - Light Sensor
The APDS-9301 is a light sensor that gives us the ambient light level. The APDS-9301 has two light-sensing elements, one which can sense both infrared and visible light and another which can only sense visible light. It uses both of these elements to approximate human-eye response and gives us a lux value.
It uses I2C to communicate with the microcontrollers. Potential use cases can be automatic lights and changing display brightness depending on ambient light.