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DisplayoTron backlight to come on in response to key press?

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@mmm wrote:

Hi all,

Been struggling with this for a while. I’d like the backlight of the DisplayoTron to come on in response to any button press and then switch off again say 30 seconds after the last input. I’m aware of the methods for turning on and off the backlight but I’m struggling to understand how I could achieve this without having to totally re-write the menu standard menu class.

Any ideas?!

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