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Unread 08-17-2003, 06:40 PM   #6
TerraMex
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Join Date: Nov 2002
Location: Portugal, Europe
Posts: 870
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Mine is mechanical.

The diode is used to stop any parastic reverse current on the circuit.

http://www.bit-tech.net/article/100/

And yes, you can discard it if you want to.
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