Can't do it with the 3300T,
i watched the video, thought it was a great idea, bought a new receiver, battery voltage lead, and telemetry module. Hooked everything up, and got nothing. Found out the dx3s display only shows up to 9.9 volts.
So its fine if you are running 2s pack, but i was running 4s and would not work.
the video forgot to mention that, so i bought everything for nothing.