Brightness Script Help?
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I just ordered all of the parts for my RPi3 Handheld, in preparation I want to make this as user-friendly as possible as I plan on making a couple more for others than myself. I plan on using this amazing overlay project made by 'd-rez' for battery life, wifi signal, and bluetooth signal, but I was wondering if anybody could help me add to this script the ability to press a button wired to GPIO that would add a black transparent layer to overlay the screen to act as brightness settings (and then loop back once it gets to a low enough brightness). I've seen this done on GPIO screens, but because I am using a composite display, there is no way to adjust brightness like the GPIO screen. I'm sorry if this is asking a lot, but I figured a lot of others could use this as well and it never hurts to ask for a bit of help. Thank you guys!
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