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This automated perpetual calendar is a beautiful way to watch the years pass by

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This automated perpetual calendar is a beautiful way to watch the years pass by

Arduino TeamJuly 20th, 2020

Troy Hawkins (AKA “tomatoskins”) had come across an interesting wooden perpetual calendar, which used a trio of rings to show the month, day, and day of the week. The only problem is that it’s manually operated, subject to human error or neglect. So when he decided to construct his own version, he added an Arduino to take care of this task for him.

His automated design uses a trio of stepper motors to turn three rings via independent gearing systems. Correct rotation is regulated by an RTC module that links up to the Nano inside. Magnets embedded within each wheel’s gears trigger a Hall effect sensor to further ensure that “date data” is properly on display.

More details on the gorgeously crafted project can be found in Hawkins’ post here.

Website: LINK

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Written by Quad Oner

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