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It’s A Water Clock, Jim, But Not As We Know It — It Has Digits

Hackaday·Tyler August·21 days ago
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Skip to content Guess what time it is– that’s right, clock time! It’s always clock time, and when it’s clock time at Hackaday the weirder the better. So, how about a water clock that’s not actually a water clock? The water here has nothing to do with timekeeping, but is what’s driving the display. Fair to say that [Strange Inventions] is living up to the name of his YouTube channel . You can get the idea from the header image: each digit is formed by a fifteen-segment display made up of glass bottles. A stepper-driven peristaltic pump and some membrane-pump boosters fills the bottles as needed with dyed water, while emptying is accomplished simply by having a servo dump the water into a trough. It’s an interesting, albeit messy, way to generate a display. It wasn’t the original idea– well, the bottles were the original concept, but flipping them was not. Dumping the bottles has the advantage of not needing oodles of pumps or taking five minutes to sequentially fill and drain the bottles at each digit.…

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