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Old 03-01-2016, 09:56 AM   #2596 (permalink)
MPaulHolmes
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
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Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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Here's one of the new boards I ordered:


It's not here yet though. It does voltage monitoring, and has one of those resolver circuits right on board. You can also turn the resolver circuit off with the chip select pin on the resolver chip, so you can use the board to power something with a resolver, and then another motor that uses an encoder. The main thing about it is, it's all one sided surface mount, so that it can be put together faster.

I also ordered some boards that basically step the high voltage down to 0-3v or 4v, or whatever you want it to be. Then the main board isolates the 0-3v using a linear optocoupler, and makes a 0-3v output. That board also acts like a bleeder resistor for the bus cap(s), and also contains a 450vDC 10amp precharge relay (the same one Tesla uses!!).
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