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  • LED Tape - Under Cabinet Lighting - No soldering!

    It's usually the switch first in my experience here in the US, but it can be wired second. These excellent illustrations come from http://www.buildmyowncabin.com/ which I really found useful for DIY residential construction.

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  • LED Tape - Under Cabinet Lighting - No soldering!

    It's not hard, but standard disclaimer would be to hire an electrician. You'd have to dig into this a good ways on the AC side as well as the DC discussed if you don't have an outlet. This pic tells most of the wiring story: http://www.buildmyowncabin.com/electrical/wiring-l...If you're adding LED lights, you'd want to add an outlet/receptacle to plug the power supply into. You'd need a multimeter or similar to figure out which black wire is to the light and which to the power (if there's only one black then you found it). The light switch will help. Keep in mind 120V is enough to kill you if you're not careful - take all safety precautions. You'd have to turn the whole circuit off and verify it's off with the multimeter and a voltage sensor of course before modifying anything. h...see more »It's not hard, but standard disclaimer would be to hire an electrician. You'd have to dig into this a good ways on the AC side as well as the DC discussed if you don't have an outlet. This pic tells most of the wiring story: http://www.buildmyowncabin.com/electrical/wiring-l...If you're adding LED lights, you'd want to add an outlet/receptacle to plug the power supply into. You'd need a multimeter or similar to figure out which black wire is to the light and which to the power (if there's only one black then you found it). The light switch will help. Keep in mind 120V is enough to kill you if you're not careful - take all safety precautions. You'd have to turn the whole circuit off and verify it's off with the multimeter and a voltage sensor of course before modifying anything. https://www.walmart.com/search/?query=voltage%20de...

    Hey Dubya - roughly how long do those motion detectors leave the lights on before they turn back off?

    oh ho, that looks even easier - sorry I've got a new construction mindset

    that's awesome, thanks dubya!Thanks to you too Chadovision - this is a very clean install!

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  • How to Make a Dehumidifier (Thermoelectric Cooling)

    How about powering it from solar cells directly? What're the voltage/current tolerances like?

    Nice - I wonder how it performs liters/watt hour and how long it will last without repair/replacement. I'm envisioning many of these hooked up to a car battery charged by solar cells...

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  • VBA Code To Unlock A Locked Excel Sheet

    Awesome, I was about to write my own and then came along yours - you just saved me several hours of remembering how to write VBA macros!

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  • Inexpensive garage lights from LED strips

    Thanks Coasty, I'm planning on putting up a lot of strips so I'll just wire the DC to each group to separate switches to vary the lighting levels and warm vs cool.

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  • Inexpensive garage lights from LED strips

    This may be a dumb question, but is there any reason I couldn't build this with a suitably power rated dimmer switch(s) wired between the power supply and the light strips? Would this harm the power supply or cause any power quality issues upstream?

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