Front door latch buzzer interface

From Noisebridge
Revision as of 18:52, 20 July 2010 by SpammerHellDontDelete (talk | contribs) (starting a new page)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search


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