Oh the control board works fine. It's just your run of the mill pwm output, with some protections built in, like the 500amp version. The power stage and driver board is what I think wasn't very good. Well, one guy's has worked pretty well for quite a while, so maybe it's not that bad, but I don't think it deserves the title 1000 amp for that power stage. If you are doing your own driver and power section, you should be fine.
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