Selected Courses on Digital Art-UOWM

const int greenLEDPin = 9; //Green pin in the RGB LED
const int redLEDPin = 11; //Red pin in the RGB LED
const int blueLEDPin = 10; //Blue pin in the RGB LED

const int redSensorPin = A0; //Photoresistor no. 1
const int greenSensorPin = A1; //Photoresistor no. 2
const int blueSensorPin = A2; //Photoresistor no. 3

int redValue = 0;
int greenValue = 0;
int blueValue = 0;
//These values can only be from 0 to 255.

int redSensorValue = 0;
int greenSensorValue = 0;
int blueSensorValue = 0;
//These values will be reading from the photoresistors.

void setup() {
  Serial.begin(9600);

  //Set up the RGB LED pins to be OUTPUT.
  pinMode(greenLEDPin, OUTPUT);
  pinMode(redLEDPin, OUTPUT);
  pinMode(blueLEDPin, OUTPUT);
}

void loop() {
  //Set up the XXSensorValues to read from the photoresistors.
  redSensorValue = analogRead(redSensorPin);
  delay(5);
  greenSensorValue = analogRead(greenSensorPin);
  delay(5);
  blueSensorValue = analogRead(blueSensorPin);
  delay(5);

  //Print on the serial monitor the values given by the photoresistors.
  Serial.print(“Raw Sensor Values \t Red: “);
  Serial.print(redSensorValue);
  Serial.print(“\t Green: “);
  Serial.print(greenSensorValue);
  Serial.print(“\t Blue: “);
  Serial.print(blueSensorValue);

  //XXValue can only be from 0 to 255 because they are define the intensity of the pin on the RGB LED.
  redValue = redSensorValue/4;
  greenValue = greenSensorValue/4;
  blueValue = blueSensorValue/4;

  //Print on the serial monitor the values that the LED pin is on.
  Serial.print(“Mapped Sensor Values \t Red: “);
  Serial.print(redValue);
  Serial.print(“\t Green: “);
  Serial.print(greenValue);
  Serial.print(“\t Blue: “);
  Serial.print(blueValue);

  //analogWrite is used here to write, instead of HIGH(1) or LOW(0), a certain intensity(0-255) that is more precise.
  analogWrite(redLEDPin, redValue);
  analogWrite(greenLEDPin, greenValue);
  analogWrite(blueLEDPin, blueValue);
}