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just a thought too..... it is a lot of technology for the price, but sometimes these types of things, probably from China don't meet expectations.... but sometimes they are good!!!

there are a bunch of these types of things with your I and V range. Thats why I was wondering if your voltage was like 200+ volts or 50-80 amps.
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9957

what is the voltage and current you needed to supply the bridge??

did you get someone for your h-bridge circuit ?? have a couple thoughts if not

looking at your diagrams, seems like you could ..... set up the PWM module for 1KHZ as normal, for the 20HZ part, set up a timer interrupt for the low freq maybe with a couple of roll overs for...