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const int outputEnabled = 2; // write LOW to turn on Note, may not be hooked up.
const int s0 = 3; // sensor pins
const int s1 = 4;
const int s2 = 5;
const int s3 = 6;
const int nLED = 7; // illuminating LED
const int out = 8; // TCS230 output

// variables to store color values
int red = 0;
int green = 0;
int blue = 0;


void setup() {
pinMode(outputEnabled, OUTPUT);
pinMode(s0, OUTPUT);
pinMode(s1, OUTPUT);
pinMode(s2, OUTPUT);
pinMode(s3, OUTPUT);
pinMode(nLED, OUTPUT);
pinMode(out, INPUT);
Serial.begin(9600);
//This pin may be set to ground and not available on the breakout
//If not available don't worry about it.
digitalWrite(outputEnabled, LOW);
//Set Frequency scaling to largest value
digitalWrite(s0, HIGH);
digitalWrite(s1, HIGH);
digitalWrite(nLED, LOW);
}

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.println();
//Simple logic to test for color
if (red < blue && red < green) Serial.println("Red");
else if (blue < red && blue < green) Serial.println("blue");
else Serial.println("green");
delay(1000);
}

void color() {
digitalWrite(nLED,1);
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);
digitalWrite(nLED,0);


}