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<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000001">Todo:</a></b></dt><dd>Make Bounce2 more abstract. Split it from the hardware layer.  Remove deboucing code from Bounce2 and make a new Debounce class from that code. Bounce2 should extend Debounce. </dd></dl>
<p>Simple example of the <a class="el" href="class_bounce.html" title="The Debouncer:Bounce class. Links the Deboucing class to a hardware pin. ">Bounce</a> library that switches the debug LED when a button is pressed.</p>
<div class="fragment"><div class="line"></div><div class="line">/* </div><div class="line"> DESCRIPTION</div><div class="line"> ====================</div><div class="line"> Simple example of the Bounce library that switches the debug LED when a button is pressed.</div><div class="line"> */</div><div class="line">// Include the Bounce2 library found here :</div><div class="line">// https://github.com/thomasfredericks/Bounce2</div><div class="line">#include &lt;Bounce2.h&gt;</div><div class="line"></div><div class="line">#define BUTTON_PIN 2</div><div class="line">#define LED_PIN 13</div><div class="line"></div><div class="line">// Instantiate a Bounce object</div><div class="line">Bounce debouncer = Bounce(); </div><div class="line"></div><div class="line">void setup() {</div><div class="line"></div><div class="line">  // Setup the button with an internal pull-up :</div><div class="line">  pinMode(BUTTON_PIN,INPUT_PULLUP);</div><div class="line"></div><div class="line">  // After setting up the button, setup the Bounce instance :</div><div class="line">  debouncer.attach(BUTTON_PIN);</div><div class="line">  debouncer.interval(5); // interval in ms</div><div class="line"></div><div class="line">  //Setup the LED :</div><div class="line">  pinMode(LED_PIN,OUTPUT);</div><div class="line"></div><div class="line">}</div><div class="line"></div><div class="line">void loop() {</div><div class="line">  // Update the Bounce instance :</div><div class="line">  debouncer.update();</div><div class="line"></div><div class="line">  // Get the updated value :</div><div class="line">  int value = debouncer.read();</div><div class="line"></div><div class="line">  // Turn on or off the LED as determined by the state :</div><div class="line">  if ( value == LOW ) {</div><div class="line">    digitalWrite(LED_PIN, HIGH );</div><div class="line">  } </div><div class="line">  else {</div><div class="line">    digitalWrite(LED_PIN, LOW );</div><div class="line">  }</div><div class="line"></div><div class="line">}</div><div class="line"></div><div class="line"></div></div><!-- fragment --> </div><!-- contents -->
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