The vex signal splitter is a neat thing, we're using it with 3
Banebots speed controllers to drive the
T500 bilge pump motors. The batteries are two Vex 7.2v 2000mAH wired in series to provide nominal 14.4v. The splitter takes power from the speed controller's Battery Eliminator Circuit.
We looked at the signal on the tether output port on the transmitter using an oscilloscope, and it's a nice 6 channel PWM signal, on the red and green wires in the 4 conductor connecting cable.
I wonder if we can do some more compacting work to be able to fit more stuff in the robot...it's getting crowded in there! Wires take up a lot of room.