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Old 01-20-2011, 01:22 PM   #4246 (permalink)
MPaulHolmes
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
Posts: 3,832

Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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Quote:
Originally Posted by jackbauer View Post
Today i connected the car's tacho sender to the controller via 2k2 resistor and 5v1 zener. Fran kindly put together some code last year for measuring rpm and this was the first test in vehicle. Works very well indeed. Now i just need to implement rpm limiting and motor idle for a future project.
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edit: thinking of calling it revoliton 0.9 on the grounds the hass 300 can only go to 900amps
That is just so dang awesome I'm going to be sick! I'll get the melexis 25mT linear range current sensor calibrated. The guy that wrote the datasheet on it told me that they use those parts to handle thousands of amps in some applications
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