[Cialug] Raspberry Pi 3

[David Champion]

Seems pretty easy to spoof.

-dc

On Mon, Feb 29, 2016 at 5:52 PM, Dave Hala <dave at 58ghz.net> wrote:

> What would be a really cool application is if your PI read your
> license plate and opened the door.
>
>
> :) Dave
>
> On Mon, Feb 29, 2016 at 5:49 PM, Jeffrey Ollie <jeff at ocjtech.us> wrote:
> > On Mon, Feb 29, 2016 at 4:49 PM, Justin Richeson <neomatrixjr at gmail.com>
> > wrote:
> >
> >> If you ever get this working to control your door I'd be interested in
> how
> >> you set it up.  I'm planning to do something similar with some connected
> >> board (was going to use my C.H.I.P possibly).  I was looking around and
> I
> >> found most circuits use a relay, but one just used a transistor I
> believe.
> >> I was hoping to do that, but I also can't seem to find good information
> on
> >> exactly how to control the opener.  2 wires run to the "button" in the
> >> garage, but somehow it controls a lock function, the light, and the
> door.
> >> I'm not sure what it does to do all that, and I haven't found a good
> >> resource for info or time to try to sort it out for myself.  I was also
> >> trying to figure out if there's any way to vamp power off the opener's
> >> connectors anywhere....  Would be very interested in how you set yours
> up.
> >>
> >
> > Newer openers might be fancier, but mine just has two contacts that will
> > trigger the door when shorted.  When I took apart the wired controller
> for
> > my door it looks as if I put around 200 ohms of resistance into the
> circuit
> > when I short the contacts it will turn on the light rather than open the
> > door but I haven't had a chance to test.  I'm waiting for a free weekend
> > when it's a bit warmer to try and hook all this up.
> >
> > I haven't tested the voltage that's on the contacts, but it's probably
> low
> > voltage AC so not very suitable for powering anything else (easily at
> > least).  The electrical socket that my door opener is plugged into has an
> > open space so I'm just going to plug my Pi into that.
> >
> > On Mon, Feb 29, 2016 at 11:53 AM, Jeffrey Ollie <jeff at ocjtech.us> wrote:
> >>
> >> >
> >> > [...] one is monitoring the temperature
> >> > in my detached garage and will eventually control my garage door
> opener.
> >> >
> >> > I did get a Pi3 ordered (MCM limits you to one) but I have no idea
> when
> >> > it'll ship.
> >> >
> >> > --
> >> > Jeff Ollie
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> >
> >
> >
> > --
> > Jeff Ollie
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