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Put simply my problem is all of my digital pins are taken up with encoders and I wish to use the analogs as buttons (the encoders have a push button) which isn't a problem but for the life of me cant get the leds to fire up from the analog button. I'm sad to not be able to do this as I have put some work incorporating a back lit faceplate in my design thinking it wouldn't be a problem. Is there is a simple answer? Any help would be appreciated!
Here is a shot of how I want it back lit...