Colour sensor TCS3200

GY-31 Color Sensor Module is made using IC TCS3200, a programmable color light to a frequency converter. It has configurable silicon photodiodes and a current to frequency converter in a single monolithic CMOS Integrated Circuit. Its output is a square wave having a 50% duty cycle with frequency directly proportional to irradiance (light intensity). This module can be directly interfaced with Microcontrollers, Arduino Boards, Raspberry Pi, etc.

Specifications:

Power: 2.7V to 5.5V

Size: 28.4 x 28.4mm (1.12 x 1.12″) Interface: digital TTL

High-resolution conversion of light intensity to frequency Programmable color and full-scale output frequency Communicates directly to microcontroller