GY-31 TCS3200 RGB Color Sensor Module Arduino Color Recognition Sensor 3.3V-5V Frequency Output Industrial Robot Sorting Detection

GY-31 TCS3200 RGB Color Sensor Module

The GY-31 TCS3200 Color Sensor Module is an industrial-grade RGB color recognition sensor based on the TCS3200 photoelectric conversion chip. It converts reflected light intensity of red, green, and blue channels into frequency signals, enabling precise color detection for embedded systems and automation applications.

Technical Specifications

• Model: GY-31 / TCS3200
• Operating Voltage: 3.3V – 5V
• Output Type: Frequency Signal (Square Wave)
• Sensor Chip: TCS3200 / TCS230
• Detection Type: RGB Color Recognition
• Response Time: ~2ms
• Operating Current: ~20mA
• Control Pins: S0, S1, S2, S3, OUT
• Illumination: Onboard white LED
• Operating Temperature: -25°C to +70°C

Applications

Widely used in Arduino projects, robotics color recognition systems, industrial sorting machines, quality inspection systems, smart automation devices, educational electronics kits, and embedded vision applications using STM32, ESP32, and Raspberry Pi.

Working Principle

The TCS3200 sensor uses an array of photodiodes with red, green, blue, and clear filters. It converts light intensity into frequency signals, which are read by a microcontroller to determine the color composition of detected objects.

Key Advantages

High sensitivity RGB detection, fast response time, strong anti-interference frequency output, easy Arduino integration, and stable performance in embedded and industrial environments.