Tangible User Interfaces - Fall 2011

/*
 * one pot controls brightness another how fast the leds blink.
 * modified version of AnalogInput
 * by DojoDave <http://www.0j0.org>
 * http://www.arduino.cc/en/Tutorial/AnalogInput
 */
int blinkPotPin = 1; // select the input pin for the potentiometer to control blink
int brightPotPin = 0; // select the input pin for the potentiometer to control brightness
int redPin = 9;   // select the pin for the LEDs
int greenPin = 10;
int bluePin = 11;
int valBright = 0; // variable to store the value coming from the Bright Pot
int valBlink = 0; // variable to store the value coming from the Blink Pot
void setup() {
 
  pinMode(redPin, OUTPUT);  // declare the Pins as an OUTPUT
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  Serial.begin(9600);
}
void loop() {
  valBright = analogRead(brightPotPin);    // read the value from the bright sensor, between 0 - 1024
  Serial.println(valBright);
  analogWrite(redPin, valBright/4); // analogWrite can be between 0-255
  analogWrite(greenPin, valBright/4);
  analogWrite(bluePin, valBright/4);
 
  valBlink = analogRead(blinkPotPin);    // read the value from the Blink Sensor

  delay(valBlink);                  // stop the program for some time
  analogWrite(redPin, 0);   // turn the ledPin off
  analogWrite(greenPin, 0);
  analogWrite(bluePin, 0);
  delay(valBlink);
}