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935 posts

Ultimate Geek
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Topic # 177264 28-Jul-2015 11:24 Send private message

I would appreciate it if someone could recommend a solution for my problem.
I have approached our local security company but after a year of them not responding I'm going "public".

We have one of those automatic gates on our driveway. There is a keypad by the gate which can be used to open/close the gate with a PIN and there is a button which when pressed sounds a buzzer in the house. There is no intercom or video. There is also a light-beam across the drive which when broken also activates the buzzer in the house (handy for letting you know someone or something has crossed through the gateway), this only works when the gate is open. The gate can be operated via the keypad by the gate, via remotes which we typically keep in the car, or by a button inside the house. The house is set back from the gate, distance 30-40m.

The problem now being that foliage has grown and we can no longer see the gate from the  front door of the house. Or indeed from anywhere inside the house. To the point where we now have to walk almost to the gate to see whether it is open or closed. Sure the easy answer is chop down the foliage, but we kind of like the privacy it affords from the road, but wouldn't be helpful at night time anyway. We are residential, and the gateway area is covered by street lighting so its never completely dark.

This leads to the all too common scenario in our house that when the buzzer goes off, we aren't sure if someone has crossed the gateway or has pushed the button because we often are not sure if the gate is closed or not. Its like Schrodingers gate. 

So we need a simple way of knowing from inside the house whether the gate is actually open or not.

I'm presuming a camera that links to a screen in the house may be suitable, but I'm concerned about the distance the camera would have to cover. The best view of the gate from the house would be from a vantage point that is 40m away. There is another position about 30m away which would require a lot more pruning.

First and foremost any solution would need to be able to provide an easy view from inside the house of the gate simply to see if its closed or open. 
But while we are looking at such systems, perhaps we could factor in some security features like motion sensing and recording.

I look forward to your suggestions.




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89 posts

Master Geek
+1 received by user: 42


  Reply # 1353261 28-Jul-2015 11:35 Send private message

Dumb question, but what cabling to you have from the gate to the house?
Type of cable and cores would be very helpful.
What's the distance?

2453 posts

Uber Geek
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  Reply # 1353282 28-Jul-2015 11:52 Send private message

Simpliest ( and cheapest) option is a microswitch on the gate that senses when the gate is closed and indicates with a light on the intercom

 

 

The hard part is wiring it up, if there is a spare circuit in the existing cable running to the gate then its easy, other wise you might need to run an additional cable

 

 

If there is no spare cable capacity to the gate ( and running a new one is difficult ) then you need to look at some sort of wireless link, and if you are going to go down that path you might as well put a camera overlooking the gate enterence so you can actually see who is at the gate ( and if the gate is open)



935 posts

Ultimate Geek
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  Reply # 1353321 28-Jul-2015 12:35 Send private message

NZSpides: Dumb question, but what cabling to you have from the gate to the house?
Type of cable and cores would be very helpful.
What's the distance?

There are whatever wires are required to power the gate and and connect the keypad and the beam to the buzzer. The distance is 30-40m. The wires run underground and underconcrete.
Given the difficulty of running additional wiring the easiest solution I thought was a camera attached to the house.

What sort of picture would a camera give me at a distance of 30-40m? Certainly it would show if the gate was open or not. Would it be any good for anything else? 




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248 posts

Master Geek
+1 received by user: 39


  Reply # 1353942 28-Jul-2015 22:47 Send private message

Theirs quite a range of WiFi based Cameras (some with two way audio), some wired and some battery operated that could work, Belkin, Panasonic and Netgear all make them.





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