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