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any ideas?

So, just to clarify, you have a magnet on a geared down wheel. The spinning of the wheel makes the magnet approach a magnetic reed switch, which, when actuated, will break your EV's drive circuit (and maybe close a braking loop, a la [wiki]Image:EVcircuitTransparent.png[/wiki])? If that's right, th...

I guess I could tell everyone what I'm going to be doing, since it's so close to the competitions now. I'm going for the mechanical braking system, and basically what I'm going to do, is have a big spinning gear. The gear will have a magnet on it, and I'm going to put a magnet switch which is hooked...