Micro-controlled Arduino hourglass

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So you need your project to pause for a preset number of minutes but you can’t do it programatically? Why not connect a micro-controller to an hourglass egg timer to sense when the sand stops moving through the glass. A motor then resets the hourglass once the sand runs out, thereby repeating the process ad infinitum. Pretty groovy, huh?

Think about it: what if we are in an hourglass and we’re all going to be flipped over like at the end of the universe? I know, right?

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