Analog/Digital LEDs

gistfile1.txt

const int knob = A0; //Potentiometer/knob pin
const int knobRed = 3; //Knob's red LED pin
const int knobGreen = 5; //Knob's green LED pin

const int button = A1; //Button's pin
const int buttonRed = 2; //Button's red LED pin
const int buttonGreen = 4; //Button's green LED pin

void setup() {
  pinMode (knob, INPUT);

  pinMode (knobRed, OUTPUT);
  pinMode (knobGreen, OUTPUT);


  pinMode (button, INPUT);

  pinMode (buttonRed, OUTPUT);
  pinMode (buttonGreen, OUTPUT);
}

void loop() {

  int knobState;

  bool knobRedOn = false; //to verify for the switch
  bool knobGreenOn = false;

  knobState = analogRead (knob);

  if (knobState > 50 && knobState < 512) {
    analogWrite (knobRed, knobState / 2);
    knobRedOn = true;
  } else {
    analogWrite (knobRed, 0);
  }

  if (knobState > 512) {
    analogWrite (knobGreen, knobState / 2);
    knobGreenOn = true;
  } else {
    analogWrite (knobGreen, 0);
  }


  int buttonState;

  buttonState = digitalRead (button);

  if (knobRedOn) {
    digitalWrite (buttonRed, buttonState);
  }

  if (knobGreenOn) {
    digitalWrite (buttonGreen, buttonState);
  }
}