// TCS230 or TCS3200 pins wiring to Arduino

#define S0 4

#define S1 5

#define S2 6

#define S3 7

#define sensorOut 8

// Stores frequency read by the photodiodes
int redFrequency = 0;
int greenFrequency = 0;
int blueFrequency = 0;

void setup() {
// Setting the outputs
pinMode(S0, OUTPUT);
pinMode(S1, OUTPUT);
pinMode(S2, OUTPUT);
pinMode(S3, OUTPUT);

// Setting the sensorOut as an input
pinMode(sensorOut, INPUT);

// Setting frequency scaling to 20%
digitalWrite(S0,HIGH);
digitalWrite(S1,LOW);

// Begins serial communication
Serial.begin(9600);
}
void loop() {
// Setting RED (R) filtered photodiodes to be read
digitalWrite(S2,LOW);
digitalWrite(S3,LOW);

// Reading the output frequency
redFrequency = pulseIn(sensorOut, LOW);

// Printing the RED (R) value
Serial.print(“R = “);
Serial.print(redFrequency);
delay(100);

// Setting GREEN (G) filtered photodiodes to be read
digitalWrite(S2,HIGH);
digitalWrite(S3,HIGH);

// Reading the output frequency
greenFrequency = pulseIn(sensorOut, LOW);

// Printing the GREEN (G) value
Serial.print(” G = “);
Serial.print(greenFrequency);
delay(100);

// Setting BLUE (B) filtered photodiodes to be read
digitalWrite(S2,LOW);
digitalWrite(S3,HIGH);

// Reading the output frequency
blueFrequency = pulseIn(sensorOut, LOW);

// Printing the BLUE (B) value
Serial.print(” B = “);
Serial.println(blueFrequency);
delay(100);
}

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