Tide clock
By Ben Everard. Posted
This article was originally published as part of HackSpace magazine, which has since been incorporated into Raspberry Pi Official Magazine.
This clock is a great example of taking a very simple mechanism and making it a lot more interesting using a bit of ingenuity. The Tide Clock uses an ordinary circular clock mechanism, and adds a linkage to make an indicator slide up and down. As the indicator reaches the top or the bottom, it slows down; towards the middle of its travel, it speeds up.
This is, as its creator explains, the sine function at work, and it’s also exactly how the tides move.
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Ben is the Editor of HackSpace magazine. When not wrangling words, he enjoys cycling, gardening, and attempting to identify wild mushrooms.
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