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GPIO relay board

286 bytes added, 12:10, 29 December 2011
Created page with "* make a board full of relays that can be driven from GPIO or parallel port. * in my opinion, it should be half a byte long (4 relays). a single/double bit board can also be desi..."
* make a board full of relays that can be driven from GPIO or parallel port.
* in my opinion, it should be half a byte long (4 relays). a single/double bit board can also be designed.
* circuitry for current/phase measurements can be included, but should be independant from relay drive
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