Home Automation

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Home automation is the residential extension of building automation.

It is automation of the home, housework or household activity.

Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, security locks of gates and doors and other systems, to provide improved convenience, comfort, energy efficiency and security.

Warning: Working with electricity can result in injury, property damage, or even death if it is not done properly. Please keep this in mind while assisting others. If you are not sure about what you are doing, hire a licensed professional.

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Battery operated decorations (alien.top)

submitted 10 months ago by [email protected] to c/[email protected]

5 comments fedilink hide all child comments

Use case: Christmas village powered by AA and AAA batteries.

Question: is there any way to automate these items? The only way I can think of a method to do this would be to modify where each items switch is located and wiring in a remote of some sort. But I’m just trying to find a less invasive method if possible, but I’m not holding out a bunch of hope…

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[–] [email protected] 1 points 10 months ago

My wife has a bunch of these that all took 3 1.5v batteries, so I soldered wires into them to run back to a "hub" that plugs into a 5v microsd charger and they are switched with a simple outlet remote. It would be a good idea to make them not permanently attached to the hub for when it's time to put them away.

You could do it with a mix of 2 and 3 1.5v battery lights but you'll want to add an appropriate resistor. A 100Ohm resistor should drop it 2v at 20mA. It's kind of depends on how they're wired, mine aren't out yet. I don't recall if I added a ~25Ohm resistor to the 3 battery ones but I probably should have if there wasn't one already.