This module mainly uses the TCS34725 color sensor. TCS34725 is a low-cost, cost-effective RGB full-color color recognition sensor. The sensor uses optical sensing to identify the color of an object Supports red, green, and blue (RGB) three , supports bright light sensing, and can output the corresponding specific values to help you restore the The color-sensitive photodiode integrates a chip and a localized infrared light-shielding filter to minimize the infrared spectrum component of the incident light, making color management more accurate High sensitivity, wide dynamic range, and infrared light-shielding filters make TCS34725 an ideal color-sensitive component solution under changing light conditions and through attenuation materials The TCS34725 color sensor has a wide range of applications, including RGBLED backlight control, solid-state lighting, health products, industrial process control, and medical diagnostic equipment Working voltage: 5V Maximum power: 0.5W Clock frequency: 0-400KHZ I2C address: 0X29 Current: 100MA Detection distance: 3-10MM Interface: IIC interface and 2.54 pitch interface Working temperature: -10°C to +50°C Specification:B:With Silicone shell Colour:As Shown Material: B:PCB+Silicone Package Contents: 1 x Color Recognition Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.