Front door latch buzzer interface: Difference between revisions

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File:Ct3-06.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
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File:044.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
File:045.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
File:046.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
File:047.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
File:048.jpg|''[[commons:Psetta maxima|Psetta maxima]]'' (Turbot)
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Revision as of 14:35, 19 September 2014


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