fix minor bug width the write buffer

nodejs/ar-com/arduino.js

@@ -31,15 +31,16 @@ Arduino.prototype.setup = function () {
       }
 
       self.serial.write(new Buffer('00000000'));
+      self.success = true;
+      self.processWriteBuffer();
     });
 
-    self.success = true;
-    self.processWriteBuffer();    
   });
 }
 
 Arduino.prototype.write = function (m) {
   if (this.serial) {
+    console.log('sending '+m);
     this.serial.write(m);
   } else {
     this.writeBuffer.push(m);