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Reply to "Arduino Uno Question"

Thanks, very good explanation! I didn't realize the 'now' variable would go away after it served it's purpose. I guess it would be good for memory saving with the limited memory of the Uno if one needed to do so? Probably not necessary in my case. I can cobble together some simple programs, but it's these little tips that I have trouble figuring out on my own sometimes. Then there is the part about remembering all the tips or at least trying to... Many times sleeping gives me a clean slate the next morning! 

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