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The picture above is the moded board. nothing to see, the mosfets swap right it, and look no different than stock.
There are transitor in that area forming an H-bridge. It would seem the proportional signal is generated, and then the h-bridge switches it between forward and reverse.
The H-bridge is arranged so that it uses only NPN transistors, so I was easily able to swap them all out, but I wasn't able to get any gain in performance beyond the initial stacking of the 2 on one of the forward ones.
I believe this is because it's digital. Digital is a series of 0s and 1s, or off and ons. Hence the pulsed motor current. The yet unproven theory I'm working with now is that we need an A/D/A converter with a faster processor, to minimize that pulsing, in order to get more power to the motor. First I've got to figure out if that black box is an A/D/A converter.
I'm just kinda taking a stab in the dark, I'd like to hear your thought on this, Micro-Amps.
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