Quote:
Originally Posted by watt-a-mezz
What I have heard about them is they work off of some type of sensor and a spinning magnet. Not an essential but it is good to know how fast the motor is turning. Something for research. Watt.
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You've probably seen this, but Gavin Shoebridge wired up a tiny motor and used it to send a signal to the tach. I have no idea how he did it; that whole thing always confused me....
The Battery Racks