General Home Automation Computer Aided Gate Opener

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Subject Author Date
Computer Aided Gate Opener Paul 08-22-06
Posted by Paul on August 22, 2006, 1:16 pm
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Does anyone know of a system that will allow me to open and close my
sliding gate by striking an "F" key?


Posted by G. Morgan on August 22, 2006, 6:34 pm
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>Does anyone know of a system that will allow me to open and close my
>sliding gate by striking an "F" key?

ffffffffffffffffffff


did it open?



Posted by Benedictum on August 24, 2006, 7:58 pm
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see http://www.smarthome.com/2010.html
you will need the universal module, a computer interface, e.g. CM11a see
http://www.smarthome.com/1140.HTML

you will have to write your own program to control the CM11a.

The universal module will have to be wired into your gate's push button
switch. make sure that this switch is a toggle switch, meaning when the gate
is open, it will close it and when it is closed, it will open it. If you
need to see the status of your gate remotely you may have to install the
powerflash module. With a magnetic sensor it can send a signal to any X10
device.

The wiring is easy, writing the program is another thing.

>
>>Does anyone know of a system that will allow me to open and close my
>>sliding gate by striking an "F" key?
>
> ffffffffffffffffffff
>
>
> did it open?
>
>



Posted by AZ Woody on August 24, 2006, 9:10 pm
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Benedictum wrote:
> see http://www.smarthome.com/2010.html
> you will need the universal module, a computer interface, e.g. CM11a see
> http://www.smarthome.com/1140.HTML
>
> you will have to write your own program to control the CM11a.
>
The Cm15a can be download with the logic to control this. I'm not a fan
of ActiveHome, but for something this simple, might be a good choice.
The "F" key might then be a x10 mini-controller button, and the status
displayed with an x10-module and a nightlight)

(I've been using a cm15a since it came out, but have my own software to
control it from Linux).

I'd be concerned about any program like suggested if it ran on windows,
as, if someone is waiting at the gate, would "give me a few minutes, my
computer just crashed and is booting" be ok?.

X10 might have some "security" issues. If someone determines the device
(or tries all 256 possible) they'll be able to open your gate by just
using a mini controller from any outlet on your side of the electric
company's transformer (neighbor's house?).

How far is the house from the gate? Is it easy to run a low voltage
cable between the house and gate? I'm thinking 4 wire cable. Two used
for a relay at the gate (to trip the open/close logic) with a simple
pushbutton inside the house, and the second pair hooked to a magnetic
reed relay at the gate to detect position, and a LED in the house to
show it. Power could be provided by a "wall wart" in the house. Might
need a resister for the LED.

You could get a bit fancier and add the ability to automatically close
the gate if it's been open for more than "x" minutes. See
http://homeauto.usandthem.com (Garage Door Closer section) for something
that could work. (~$20 in parts) If you go this way, please make sure
the that the stuff at the gate is "smart enough" to not try to close if
something (like a vehicle) is blocking the gate! With the controller in
the house, it would be simple to add a manual pushbutton to open/close
the gate. There's a reference to a good magnetic reed relay there, even
if you take another approach.

Feel free to contact me off list at homeauto at usandthem dot com.


> The universal module will have to be wired into your gate's push button
> switch. make sure that this switch is a toggle switch, meaning when the gate
> is open, it will close it and when it is closed, it will open it. If you
> need to see the status of your gate remotely you may have to install the
> powerflash module. With a magnetic sensor it can send a signal to any X10
> device.
>
> The wiring is easy, writing the program is another thing.
>
>>
>>> Does anyone know of a system that will allow me to open and close my
>>> sliding gate by striking an "F" key?
>> ffffffffffffffffffff
>>
>>
>> did it open?
>>
>>
>
>

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