Instructables: Automated Perpetual Calendar

Years ago I came across a wooden perpetual calendar and I loved the idea.

After thinking about it for months I decided I wanted to make one myself; however, there was a long list of things I wanted to do to improve on the idea. The most important change I wanted to make, is to automate the rings. I know me, and based on current wall calendars not showing the correct month for some time, if a daily change is necessary it would likely only be accurate a small percentage of the year.

Combining microcontrollers, 3D printing, woodworking, and laser jet image transfer, this project will have something for everyone to learn.

Engineering Topics
Circuitry, Machines
High School, College
9th Grade, 10th Grade, 11th Grade, 12th Grade, College, Adults

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