Arduino Color Detection Using TCS-3200 / TCS-230 Color Sensor

Overview

In this Arduino tutorial, we will learn how to interface Arduino with TCS-3200/230 color sensor and detect different color using this color sensor.

You can watch the following video below:-

Components Required

The required components list for this project given below:-

• Arduino Uno
• TCS-3200 Color Sensor
• 16*2 LCD Display
• 10K Potentiometer
• 220-ohm Resistor
• Color Paper 
• Vero board
• Breadboard
• Some Jumper Wire

TCS3200 Sensor Pinout

Circuit Schematic

The circuit diagram of the TCS-3200 Color sensor interfacing with Arduino has been given below:-

Fig: TCS-3200 interfacing with Arduino

Circuit Description

Source Code

The source code is given below:-

 // include the library code:  
 #include <LiquidCrystal.h>  
   
 LiquidCrystal lcd(13, 12, 11, 10, 9, 8);  
   
 // TCS230 pins connected to Arduino  
 const int s0 = 6;  
 const int s1 = 5;  
 const int s2 = 4;  
 const int s3 = 3;  
 const int out = 2;  
   
 // Variables  
 int red = 0;  
 int green = 0;  
 int blue = 0;  
   
 void setup()  
 {  
  Serial.begin(9600);  
  pinMode(s0, OUTPUT);  
  pinMode(s1, OUTPUT);  
  pinMode(s2, OUTPUT);  
  pinMode(s3, OUTPUT);  
  pinMode(out, INPUT);  
   
  digitalWrite(s0, HIGH);  
  digitalWrite(s1, HIGH);  
   
  lcd.begin(16, 2);  
  lcd.setCursor(5, 0);  
  lcd.print("Arduino");  
  lcd.setCursor(1, 1);  
  lcd.print("Color Detector");  
 }  
   
 void loop()  
 {  
  color();  
  Serial.print("R =");  
  Serial.print(red, DEC);  
  Serial.print(" G = ");  
  Serial.print(green, DEC);  
  Serial.print(" B = ");  
  Serial.print(blue, DEC);  
  Serial.print("\t");  
   
  if (red < blue && red < green && red < 25)  
  {  
   if (green - blue >= 10 && green - blue <= 25 && green - ( 2 * red ) >= 8 )  
   {  
    lcd.clear();  
    lcd.setCursor(0, 0);  
    lcd.print("Color Detection");  
    lcd.setCursor(0, 1);  
    lcd.print("Color : ");  
    lcd.print("Red");  
    Serial.println(" - (Red Color)");  
   }  
   
   else if (green - red <= 10 && green - red >= -3 && blue >= green)  
   {  
    lcd.clear();  
    lcd.setCursor(0, 0);  
    lcd.print("Color Detection");  
    lcd.setCursor(0, 1);  
    lcd.print("Color : ");  
    lcd.print("Yellow");  
    Serial.println(" - (Yellow Color)");  
   }  
     
   else if (blue - red >= 3 && blue - red <= 10 && green - ( 2 * red ) <= 5)  
   {  
    lcd.clear();  
    lcd.setCursor(0, 0);  
    lcd.print("Color Detection");  
    lcd.setCursor(0, 1);  
    lcd.print("Color : ");  
    lcd.print("Pink");  
    Serial.println(" - (Pink Color)");  
   }  
     
   else if (green - blue >= -5 && green - blue <= 5 && green - ( 2 * red ) <= 5 )  
   {  
    lcd.clear();  
    lcd.setCursor(0, 0);  
    lcd.print("Color Detection");  
    lcd.setCursor(0, 1);  
    lcd.print("Color : ");  
    lcd.print("Orange");  
    Serial.println(" - (Orange Color)");  
   }  
   
  }  
   
  else if (green < red && green < blue && green < 25)  
  {  
   lcd.clear();  
   lcd.setCursor(0, 0);  
   lcd.print("Color Detection");  
   lcd.setCursor(0, 1);  
   lcd.print("Color : ");  
   lcd.print("Green");  
   Serial.println(" - (Green Color)");  
  }  
   
  else if ((red > green && blue < green) && blue < 25 && red > 40)  
  {  
   lcd.clear();  
   lcd.setCursor(0, 0);  
   lcd.print("Color Detection");  
   lcd.setCursor(0, 1);  
   lcd.print("Color : ");  
   lcd.print("Blue");  
   Serial.println(" - (Blue Color)");  
  }  
   
  else if (red - (2 * blue) >= -2 && red - (2 * blue) <= 5 && green - red < 10)  
  {  
   lcd.clear();  
   lcd.setCursor(0, 0);  
   lcd.print("Color Detection");  
   lcd.setCursor(0, 1);  
   lcd.print("Color : ");  
   lcd.print("Purple");  
   Serial.println(" - (Purple Color)");  
  }  
  else if (blue < red && blue < green && (blue && red && green) < 25)  
  {  
   
   if (red - green <= 5 && red - green >= 0 && ((green - blue) || (red - blue)) < 5 && blue < 50)  
   {  
    lcd.clear();  
    lcd.setCursor(0, 0);  
    lcd.print("Color Detection");  
    lcd.setCursor(0, 1);  
    lcd.print("Color : ");  
    lcd.print("White");  
    Serial.println(" - (White Color)");  
   }  
  }  
   
  Serial.println();  
   
  delay(300);  
 }  
   
 void color()  
 {  
  digitalWrite(s2, LOW);  
  digitalWrite(s3, LOW);  
  //count OUT, pRed, RED  
  red = pulseIn(out, digitalRead(out) == HIGH ? LOW : HIGH);  
  digitalWrite(s3, HIGH);  
  //count OUT, pBLUE, BLUE  
  blue = pulseIn(out, digitalRead(out) == HIGH ? LOW : HIGH);  
  digitalWrite(s2, HIGH);  
  //count OUT, pGreen, GREEN  
  green = pulseIn(out, digitalRead(out) == HIGH ? LOW : HIGH);  
 }