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Color Recognition Sensor Module TCS3200

Color Recognition Sensor Module TCS3200

The TCS3200 Color Sensor Module is a highly versatile sensor that detects colors and converts them into a frequency-based digital output. It integrates the TAOS TCS3200 RGB sensor chip along with four onboard white LEDs to illuminate the target object. This module is ideal for applications such as color matching, sorting, and line following, and can be easily interfaced with microcontrollers like Arduino using just five GPIO pins.

Package Includes:

  • 1 x TCS3200 Color Sensor Module

35.00 AED 35.00 AED Tax Included
35.00 AED Tax Included

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Principle of Work:

  • White light contains red, green, and blue components. When reflected off a surface, the sensor reads the reflected wavelengths to identify the color.
  • The TCS3200 sensor uses a 4x4 array of photodiodes with red, green, blue, and clear filters arranged in a Bayer pattern.
  • Each filter type corresponds to a different photodiode which converts light into current; the signal is then processed to identify RGB intensity.
  • Clear filters allow more light, enhancing performance in low-light conditions.

Features:

  • High-resolution light-to-frequency conversion
  • Direct microcontroller communication (Arduino compatible)
  • Programmable color and full-scale output frequency
  • Stable temperature coefficient (200 ppm/°C)
  • Upgraded version of TCS230 with improved sensitivity
  • Power down feature for energy saving
  • Low nonlinearity error (~0.2%)

Specifications:

  • Power Supply: 3.3V or 5V
  • Operating Voltage: 2.7V ~ 5.5V
  • Output Frequency Voltage: 0 - 5V
  • Optimal Sensing Distance: 10–15 mm
  • Module Dimensions: 32 x 25 mm
  • Weight: ~5g

Pin Connections:

Pin Description
S0, S1 Set output frequency scaling (2%, 20%, or 100%)
S2, S3 Select color filter type (Red, Green, Blue, Clear)
OE Output enable (LOW = enabled)
OUT Frequency output signal
VCC Power input (3.3V–5V)
GND Ground

Applications:

  • Color tracking in robotics
  • Color sorting in manufacturing
  • Lighting control systems
  • Product inspection and quality control
  • Interactive installations and smart lighting
  • Educational demonstrations and experiments

Sample Arduino Wiring:

  • S0 → Arduino D5
  • S1 → Arduino D4
  • S2 → Arduino D7
  • S3 → Arduino D6
  • OUT → Arduino D8
  • VCC → 5V
  • GND → GND

TCS3200 Arduino Wiring Diagram

Sample Arduino Code:


#define S0_PIN 5
#define S1_PIN 4
#define S2_PIN 7
#define S3_PIN 6
#define OUT_PIN 8

void setup() {
  pinMode(S0_PIN, OUTPUT);
  pinMode(S1_PIN, OUTPUT);
  pinMode(S2_PIN, OUTPUT);
  pinMode(S3_PIN, OUTPUT);
  pinMode(OUT_PIN, INPUT);
  digitalWrite(S0_PIN, HIGH);
  digitalWrite(S1_PIN, LOW);
  Serial.begin(9600);
}

void loop() {
  int r = readColor(S2_PIN, S3_PIN, LOW, LOW);
  delay(200);
  int g = readColor(S2_PIN, S3_PIN, HIGH, HIGH);
  delay(200);
  int b = readColor(S2_PIN, S3_PIN, LOW, HIGH);
  delay(200);

  Serial.print("R: "); Serial.print(r);
  Serial.print(" G: "); Serial.print(g);
  Serial.print(" B: "); Serial.println(b);
}

int readColor(int s2, int s3, int s2Val, int s3Val) {
  digitalWrite(s2, s2Val);
  digitalWrite(s3, s3Val);
  return pulseIn(OUT_PIN, LOW);
}

Troubleshooting Tips:

  • Ensure correct voltage supply (2.7V to 5.5V)
  • Avoid ambient light interference by using a cover
  • Verify pin configurations for S0–S3

 

References: