Front door latch buzzer interface

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Revision as of 01:13, 6 May 2014 by JeffreyATW (talk | contribs) (Reverted edits by JohnyRadio (talk) to last revision by Eric Vinyl)
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The front door latch buzzer is controlled by an optoisolator hooked up the parallel port of a laptop

the front door latch automation won't work unless this laptop is running