Envio al puerto serie desde firebase

firebasetoarduinio.js

var Firebase = require('firebase');


var pixelDataRef = new Firebase('https://tufirebase.firebaseio.com/default');

var drawPixel = function(snapshot){
  var coords = snapshot.name().split(":");
	if (myPort.options.open) {
		myPort.write("my string\n"+coords[0]);
		myPort.write("my string\t"+coords[1]);
		myPort.write("my string\f"+hexToRgb(snapshot.val()).r);
		myPort.write("my string\\"+hexToRgb(snapshot.val()).g);
		myPort.write("my string\b"+hexToRgb(snapshot.val()).b);
	}
};


pixelDataRef.on('child_added', drawPixel);
pixelDataRef.on('child_changed', drawPixel);
pixelDataRef.on('child_removed', drawPixel);

function hexToRgb(hex) {
    var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    hex = hex.replace(shorthandRegex, function(m, r, g, b) {
        return r + r + g + g + b + b;
    });

    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
    } : null;
}