// AMBIENT LIGHT

// declare program constants
const int greenPin = A0; // the analog pin for the potentiometer controlloing the green LED
const int bluePin = A1; // the analog pin for the potentiometer controlling the blue LED
const int redPin = A2; // the analog pin for the potentiometer controlling the red LED

const int greenLEDpin = 9; // the digital pin for the green LED
const int blueLEDpin = 10; // the digital pin for the blue LED
const int redLEDpin = 11; // the digital pin for the red LED

// declare program variables
int greenVal = 0; // between 0 and 255
int blueVal = 0; // between 0 and 255
int redVal = 0; // between 0 and 255

int greenSenseVal = 0; // between 0 and 1023
int blueSenseVal = 0; // between 0 and 1023
int redSenseVal = 0; // between 0 and 1023

// set up the program
void setup(){
  Serial.begin(9600);
  pinMode(greenLEDpin, OUTPUT);
  pinMode(blueLEDpin, OUTPUT);
  pinMode(redLEDpin, OUTPUT);
}

// run the loop of the led
void loop(){
  greenSenseVal = analogRead(greenPin); // A0 input will affect the green LED
  delay(5); // delay by 5 milliseconds
  blueSenseVal = analogRead(bluePin); // A1 input will affect the blue LED
  delay(5); // delay by 5 milliseconds
  redSenseVal = analogRead(redPin); // A2 input will affect the red LED
  // convert the analog inputs into digital output values between 0 and 255
  greenVal = greenSenseVal/4; // will convert to a number between 0 and 255
  blueVal = blueSenseVal/4; // will convert to a number between 0 and 255
  redVal = redSenseVal/4; // will convert to a number between 0 and 255
  // display the serial values on screen
  Serial.print("Green Value: ");
  Serial.print(greenVal); // should be between 0 and 255
  Serial.print(", Blue Value: ");
  Serial.print(blueVal); // should be between 0 and 255
  Serial.print("Red Value: ");
  Serial.println(redVal); // should be between 0 and 255
  // write these values to their digitial output
  analogWrite(greenLEDpin, greenVal);
  analogWrite(blueLEDpin, blueVal);
  analogWrite(redLEDpin, redVal);
}