[Shop-talk] Today's joy - garage door openers

[Bob Spidell]

Side note: Before I moved from the Bay Area, I had a new LiftMaster 
opener installed.  I a bought a router for it, and you can not only open 
and close it with an app, but can check the status of the door 
remotely.  Of course, none of you have /ever/ gotten half-way to work 
and wondered 'Shit, did I close the garage door?!' right?

Bob


On 9/7/2018 9:20 AM, Peter Murray wrote:
> Scott-
>
> If you were loaned a working remote for that gate, that leads me to 
> believe that it is a 9- or 12-bit DIP switch system, which allowed 
> easy programming for your gate's fixed code. You can disassemble it to 
> see if it has DIP switches (or search on the opener's part number) to 
> be sure.
>
> In any case, I'd have a look at the receiver that actuates the motor 
> connected to the gate, and replace it with a modern one. Even if the 
> receiver is integrated into the motor unit, you should be able to 
> disconnect, disable or otherwise replace that receiver and integrate a 
> new one which will use modern security techniques, with relative ease.
>
> This <http://a.co/d/fLbc6hT> is one possible option.
>
> -Peter
>
> On Fri, Sep 7, 2018 at 10:00 AM <eric at megageek.com 
> <mailto:eric at megageek.com>> wrote:
>
>     Scott,
>     there are different types of openers.
>
>     The old (pre 90's) units used a series of DIP switches to set a
>     code for the opener.  They were easy to clone and are no longer
>     used.  If  the opener you got uses this system, you can clone it
>     from the remote, but you need to make sure the new remote will
>     support the old style.  Most, if not all, new remotes will NOT
>     support this old type.  The one in your car will not.
>
>     The new system is a 'rolling' code.  This needs to be configured
>     between the opener and remote. It can not be set by 'cloning' a
>     remote only.  This is what you have in your car.
>
>     There are even newer systems that connect to the internet and
>     allow you to open with your phone/etc. I would NEVER connect any
>     system component to the internet.
>
>     Let me know if you have any other questions.
>
>
>     Sent from my Commodore 64 on a 2400 Baud Modem.
>     Tech Viper
>     "Be as beneficent as the sun or the sea, but if your rights as a
>     rational being are trenched on, die on the first inch of your
>     territory." Ralph Waldo Emerson
>     _______________________________________________
>

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