I am proud to announce the new Visual IoT Studio release with Firmata support.
I made a short tutorial to show how to configure it and create your own Firmata client using Visual IoT Studio with a few clicks 🙂
http://www.st4makers.com/visual-opc-builder/how-to/how-to-communicate-using-arduino-and-firmata-protocol
Please, use the forum to keep in touch.
All the best
ilde