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    wifi z-wave door lock?

    Just bought a vacation home that I will be renting on airbnb or similar.  Im looking to install a door lock so that I can create and deactivate codes remotely and view access logs.  I think pretty much all of them are capable of this but the info on the websites are so dumbed down that I can't...
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    Access Control Electrified Lockset- for exterior gate

    Everything I've seen so far (electric strikes, maglocks, electric bolts) would require a secondary latch in order to keep the gate closed while unlocked.  This would be needed to prevent wind from swinging the gate open and closed.  I could use the existing thumb latch.  The problem is that...
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    replace 120 vac Smoke Detectors, voltages, protocols, 2-wire, 4-wire, options?

    My house is wired with 120vac smoke detectors.  I'm going to be installing an ELK system shortly.  Although my current smokes are interconnected, I do not believe that I can connect them to the ELK without an additional module.  If so, what is the preferred method?   Are there any 120VAC smoke...
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    transformer based speaker selector

    I want to build a speaker selector and control it with an Arduino and serial controls. I don't like the idea of using resistors for impedance matching because of the power they consume. Using this page as a guide, (can't post links yet) but it's an article on bsae1 about impedance matching...
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