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turbojimmy's avatar
turbojimmy
Explorer
Oct 03, 2016

Solar Advice (sort of off topic)

I know a lot of RV people have put together their own solar power systems so I'm looking for some advice.

My driveway at home is 500 feet long and has a sharp bend in it about half way down. I can't see the road from my house, but at that point I have a clear view of the street. I want to put a Nest cam there. The problem is that there's no power down there. The camera is 5V and the input is 1 amp. I don't know how much it actually draws, but it is continuously streaming and has infrared. I want to be able to keep an eye on the bottom of the driveway - primarily to see who the heck keeps driving on my lawn down there.

Ideas?

17 Replies

  • turbojimmy wrote:


    Thanks. I hadn't thought of that. I have a few hundred feet of 8-wire low voltage cable left over from my sprinkler system repair (long story). I think it's 14-gauge but it may be 16. I could probably easily bury it along the driveway, even though I'd be wasting 6 of the 8 wires.


    Pair (or triple or quadruple) the wires up (i.e., twist them together) to create, in effect, a pair of larger gauge wires for a lower voltage loss over the distance. E.g., 8 conductor becomes 2 conductor wire.
  • 2oldman wrote:
    Nest cams require wifi. Got wifi?


    I do have WiFi down there. I put an extender in one of the rooms at the front of the house. It's not very strong, but I plugged in one of my existing cams down there (using the 12V cig adapter in my truck) and it works.

    A trail cam is also a good idea. I could move it to the woods behind the house too.

    Lots of things to think about now. Thanks!
  • DrewE wrote:
    Probably easier and cheaper, if less elegant, is to run 500' of low-voltage landscape wire from your house down to your camera location. Use a 12V or so power supply at the house, and have a 5V regulator or DC-DC converter for the camera, so as to accommodate voltage/power loss in the wire. (This should be adequate for even 500 feet of 16 gauge wire with a load requiring 1A, which would have a total voltage drop of about 4V in this situation.)

    A 500' roll of 16/2 landscape wire is less than $100 from Home Depot. If installed carefully in proper weather-sealed enclosures, this should operate without difficulty for a long time with basically no maintenance.


    Thanks. I hadn't thought of that. I have a few hundred feet of 8-wire low voltage cable left over from my sprinkler system repair (long story). I think it's 14-gauge but it may be 16. I could probably easily bury it along the driveway, even though I'd be wasting 6 of the 8 wires.
  • DrewE's avatar
    DrewE
    Explorer III
    Probably easier and cheaper, if less elegant, is to run 500' of low-voltage landscape wire from your house down to your camera location. Use a 12V or so power supply at the house, and have a 5V regulator or DC-DC converter for the camera, so as to accommodate voltage/power loss in the wire. (This should be adequate for even 500 feet of 16 gauge wire with a load requiring 1A, which would have a total voltage drop of about 4V in this situation.)

    A 500' roll of 16/2 landscape wire is less than $100 from Home Depot. If installed carefully in proper weather-sealed enclosures, this should operate without difficulty for a long time with basically no maintenance.
  • Put a trail / hunting camera down there if you just want to figure out who's driving on the lawn and then you have photo proof - it's a lot easier and you can use it elsewhere as needed.

    Amazon

    Bill

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