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12V via 120V
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12V via 120V

by GeekForLife on Tue Aug 20, 2019 1:50 pm

I'd like to use multiple "Flexible RGB Neon-like LED Strips" (https://www.adafruit.com/product/4245) which seem to each require 12V DC. Ideally, I'd like to just use my wall 120V. I'm not an electrician, but can be handy. How do I do this? E.g., Do I need one transformer for each LED strip? (would I have to cut, strip and splice into this transformer (https://www.adafruit.com/product/798) for example? And then use a powerstrip for all? Or are there better/cheaper/safe ways?

Extra Qs:
* And what if I wanted to dim these? I understand these require PWM.
* And how to then control them via Google Home?

Thanks!!!!

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Re: 12V via 120V

by franklin97355 on Tue Aug 20, 2019 2:05 pm

For power, you can use one transformer and insert the power to each strip as long as the transformer has enough capability. To get RGB colors from the strips you will need some form of controller. Take a look at the tutorial for more information.

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Re: 12V via 120V

by GeekForLife on Tue Aug 20, 2019 5:55 pm

FYI - Unfortunately, I can't get the video to play. It doesn't show up initially b/c in Chrome there's a box where the video should be saying the content no longer adheres to tracking compliance. When I try to enable it, it displays but does not play.
Attachments
err.jpg
err.jpg (70.79 KiB) Viewed 69 times

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Re: 12V via 120V

by franklin97355 on Tue Aug 20, 2019 6:31 pm

The text should get you going. I didn't see any video that was necessary to understand the concepts.

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Please be positive and constructive with your questions and comments.