My color mixer

http://vimeo.com/moogaloop.swf?clip_id=1856128&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1
my color mixer from maze on Vimeo.

Materials: Arduino, jumper wires, potentiometer, 9v battery, LEDs, resistors, DC power plug, tracing paper, scotch tape, fiberfill

Here is my code:
/*
*Color Mixer
*Tzumei M. Hsiao
*I modified the code from "Coffee-cup" color mixer on Arduino.cc
*/

// Analog pin settings
int potIn = 3;    // the potentiometer connected to the analog pin 3

// Digital pin settings
int redLED = 9;   // LEDs connected to digital pins 9, 10 and 11
int blueLED = 10;  //   (Connect cathodes to digital ground)
int greenLED = 11; 

// Values
int potVal = 0;   // the variable to store the input from the potentiometer
int redVal = 0;   // the variable to store the value of red LED
int greenVal = 0;  // the variable to store the value of green LED
int blueVal = 0;  // the variable to store the value of blue LED

// Variables for comparing values between loops
int i = 0;            // Loop counter
int wait = (1000);    // Delay between most recent pot adjustment and output

int sens         = 3; // Sensitivity threshold, to prevent small changes in
                      // pot values from triggering false reporting
// FLAGS
int PRINT = 1; // Set to 1 to output values

void setup()
{
  pinMode(redLED, OUTPUT);   // sets the digital pins as output
  pinMode(blueLED, OUTPUT);   
  pinMode(greenLED, OUTPUT);
  Serial.begin(9600);     // Open serial communication for reporting
}

void loop()
{
  i += 1; // Count loop

  potVal = analogRead(potIn);  // read input pins, convert to 0-255 scale

  if (potVal< 341)
  {
    potVal= (potVal* 3) / 4; //normalize to 0-255
    redVal= 255-potVal;
    greenVal= potVal;
    blueVal= 1; //blue off
  } //end of if
  else if (potVal< 682)
  {
    potVal= ((potVal-341)*3) / 4; //normalize to 0-255
    redVal= 1; //red off
    greenVal= 255-potVal;
    blueVal= potVal;
  } //end of else if
  else
  {
    potVal= ((potVal-682)*3)/ 4; //normalize to 0-255
    redVal= potVal;
    greenVal= 1; //green off
    blueVal= 255-potVal;
  } //end of else

  analogWrite(redLED, redVal);    // Send the new value to LEDs
  analogWrite(blueLED, blueVal);
  analogWrite(greenLED, greenVal);

  if (i % wait == 0)                // If enough time has passed…
  {   
    if ( potVal > sens )   // If old and new values differ
                                                  // above sensitivity threshold
    {
      if (PRINT)                    // …and if the PRINT flag is set…
      {
        Serial.print("The value of potentiometer: ");        // …then print the values.
        Serial.print(potVal);         

        PRINT = 0;
      }
    } 
    else
    {
      PRINT = 1;  // Re-set the flag   
    }

  }
}