The Color sensor module base on TCS3200 which is a programmable color light-to-frequency converter, it could filter RGB data from source light and convert it to a square wave(50 duty cycle) with frequency directly proportional to light intensity (irradiance)-The Color sensor module base on TCS3200 which is a programmable color light-to-frequency converter, it could filter RGB data from source light and convert it to a square wave(50　duty cycle) with frequency directly proportional to light intensity (irradiance)