Build Instructions

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• 1

  Step 1

  Node.js Application
  

  Add the following code to server.js:

  server.js

  ...
  
  var button = gpio.init("S11A");
  
  var wasButtonPressed = false;
  
  button.setDirection('input');
  
  setInterval(function(){
      // If button is just released...
      if(button.getValue() === 1 && wasButtonPressed === true){
          wasButtonPressed = false;
  
          // ...reads the LED state...
          var ledState = led.getValue();
  
          //...inverses it...
          if(ledState === 1){
              ledState = 0
          }else{
              ledState = 1;
          }
  
          //...writes...
          led.setValue(ledState);
  
          //...and submits to the web app if connected
          if(clients !== undefined){
              clients.emit('tps:state:changed', ledState);
          }
      }else if(button.getValue() === 0){
          // If button is pressed
          wasButtonPressed = true;
      }
  },100);
  
  ...

  To lean more clik here

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