fix bugs from previous commit

nodejs/ar-com/arduino.js

@@ -35,7 +35,7 @@ Arduino.prototype.setup = function () {
       }
     });
 
-    serial.on('open', setTimout(function () {
+    self.serial.on('open', function () { setTimeout(function () {
       self.serial.write(new Buffer('00000000'));
       self.emit('success');
       
@@ -44,7 +44,7 @@ Arduino.prototype.setup = function () {
       });
       
       self.processWriteBuffer();
-    }), 500);
+    }, 5000);});
 
   });
 }