Countdown Timer tile

I wanted to find out if it is possible to setup a dashboard tile on the classic dashboard (C5) which would count down when a switch is turned off. I have a water pump switch that once it turns off it turns off a UV water lamp after 30minutes. I would like to see how far into this countdown timer it is?

I use a condition that once the pumps power goes below 100w, then I can assume the pump is off, this in turn sets off a rule with the condition of after 30 minutes turn off switch UV.

Bryan made this nice little utility:

I wonder if it could be made to be triggered by a switch.... :thinking:

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I know very little, but I doodled around with this just now while eating breakfast.

I created a hub variable, timer, which you can choose to display in a dashboard tile. The interval I set was every second, so it counts down from 30, but you can change that.

image

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Another spin.