Tangible User Interfaces - Fall 2011

Attached potentiometer to speaker, adding an LED, and a pressure sensitive LED as a rudimentary game of simon.

Joe

Here is the code:

 

/* Theremin

 * --------

 *

 *

 * Created 24 October 2006

 * copyleft 2006 Tod E. Kurt <tod@todbot.com

 * http://todbot.com/

 */

 

int potPin = 2;    // select the input pin for the potentiometer

int speakerPin = 7;

int sensorPin = 0;  // select the input pin for the sensor

int ledPin = 10; 

 

int val = 0;

int wal = 0;

 

void setup() {

  pinMode(11, OUTPUT); 

   pinMode(10, OUTPUT); 

     pinMode(9, OUTPUT); 

  pinMode(speakerPin, OUTPUT); 

  Serial.begin(9600);

  Serial.println("ready");

}

 

void loop() {

  digitalWrite(speakerPin, LOW);

   val = analogRead(potPin);    // read value from the sensor

   wal = analogRead(sensorPin); // read the value from the sensor, 0-1023

   

 

  

  for( int i=0; i<100; i++ ) {  // play it for 50 cycles

    digitalWrite(speakerPin, HIGH);

    delayMicroseconds(val);

    digitalWrite(speakerPin, LOW);

    delayMicroseconds(val);

  }

 

   analogWrite(ledPin, wal/5);  // analogWrite (dimming the LED) can be between 0-255

   Serial.println(wal/5);       // writing the value to the PC via serial connection

  

  digitalWrite(11, HIGH);   // set the LED on

  delay(val);              // wait for a second

  digitalWrite(11, LOW);    // set the LED off

  delay(val);              // wait for a second

     

if (val = wal)

{

  digitalWrite(9, LOW);// turn off led

}

else

{

  digitalWrite(9, HIGH); // turn on led

}

  

}