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bruzed on 11/25/11

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Flex and force sensor to trigger mp3\'s

/ Published in: Processing

Using minim to trigger MP3 sounds via flex and force sensors connected to an arduino.

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import processing.serial.*;

import cc.arduino.*;

Arduino arduino;

import ddf.minim.*;

Minim minim;
AudioSnippet sound1;
AudioSnippet sound2;
AudioSnippet sound3;
AudioSnippet sound4;
AudioSnippet sound5;

color off = color(4, 79, 111);
color on = color(84, 145, 158);

//force sensor
int force = 0;

//flex sensor 1
int flex1 = 1;

//forec switch case
int forceCase = 0;

void setup() {
  size(470, 280);
  arduino = new Arduino(this, Arduino.list()[0], 115200);
  
  //start minim
  minim = new Minim(this);
  
  //load sounds
  sound1 = minim.loadSnippet("sound1.mp3");
  sound2 = minim.loadSnippet("sound2.mp3");
  sound3 = minim.loadSnippet("sound3.mp3");
  sound4 = minim.loadSnippet("sound4.mp3");
  sound5 = minim.loadSnippet("sound5.mp3");
  
  
}

void draw() {
  
  background(off);
  stroke(on);
  
  force = arduino.analogRead(0);
  flex1 = arduino.analogRead(1);
  
  //println(force);
  println(flex1);
  
  playSound();
  
}

void playSound(){
  
  if (force > 1000){
    sound1.unmute();
    sound1.play();
  } else {
    sound1.rewind();
    sound1.mute();
  }
  
  if (force > 800 && force < 1000){
    sound2.unmute();
    sound2.play();
  } else {
    sound2.rewind();
    sound2.mute();
  }
  
  if (flex1 > 1 && flex1 < 400){
    sound3.unmute();
    sound3.play();
  } else {
    sound3.rewind();
    sound3.mute();
  }
  
  if (flex1 > 400 && flex1 < 600){
    sound4.unmute();
    sound4.play();
  } else {
    sound4.rewind();
    sound4.mute();
  }
  
}

void stop()
{
  // always close Minim audio classes when you are done with them
  sound1.close();
  sound2.close();
  sound3.close();
  sound4.close();
  sound5.close();
  minim.stop();
  
  super.stop();
 
}

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