Color sensor using arduino and TCS230

This is color sensor that used TCS230 and RGB LED.
color detection in this module depend on S2 and S3 output as follow:

L means low and the H means high.
you have to use a 330ohm resistor to protect the LEDs.

Parts list:
RGB LED
Resistor 100 ohm
Color sensor TCS230
Arduino board

/*
// TCS230 color recognition sensor
// Sensor connection pins to Arduino are shown in comments

Color Sensor      Arduino
-----------      --------
 VCC               5V
 GND               GND
 s0                8
 s1                9
 s2                12
 s3                11
 OUT               10
 OE                GND
*/
const int s0 = 8; 
const int s1 = 9; 
const int s2 = 12; 
const int s3 = 11; 
const int out = 10;  
// LED pins connected to Arduino
int redLed = 2; 
int greenLed = 3; 
int blueLed = 4;
// 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); 
  pinMode(redLed, OUTPUT); 
  pinMode(greenLed, OUTPUT); 
  pinMode(blueLed, OUTPUT); 
  digitalWrite(s0, HIGH); 
  digitalWrite(s1, HIGH); 
} 
   
void loop()
{ 
  color();
  Serial.print("R Intensity:"); 
  Serial.print(red, DEC); 
  Serial.print(" G Intensity: "); 
  Serial.print(green, DEC); 
  Serial.print(" B Intensity : "); 
  Serial.print(blue, DEC); 
  //Serial.println(); 

  if (red < blue && red < green && red < 20)
  { 
   Serial.println(" - (Red Color)"); 
   digitalWrite(redLed, HIGH); // Turn RED LED ON
   digitalWrite(greenLed, LOW); 
   digitalWrite(blueLed, LOW); 
  } 

  else if (blue < red && blue < green)  
  { 
   Serial.println(" - (Blue Color)"); 
   digitalWrite(redLed, LOW); 
   digitalWrite(greenLed, LOW); 
   digitalWrite(blueLed, HIGH); // Turn BLUE LED ON 
  } 

  else if (green < red && green < blue) 
  { 
   Serial.println(" - (Green Color)"); 
   digitalWrite(redLed, LOW); 
   digitalWrite(greenLed, HIGH); // Turn GREEN LED ON
   digitalWrite(blueLed, LOW); 
  } 
  else{
  Serial.println(); 
  }
  delay(300);  
  digitalWrite(redLed, LOW); 
  digitalWrite(greenLed, LOW); 
  digitalWrite(blueLed, LOW); 
 } 
   
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); 
}