13:16Weekend Projects - Toothy Toothbrush Timer
From the creator
Complete instructions for this episode of Weekend Projects can be found at http://makezine.com/projects/toothy-toothbrush-timer/ Using a 555 timer chip, a modified servomotor, and chattering novelty teeth, get your dentist-recommended brush time every time, with the Toothy Toothbrush Timer.
Published 2014-03-20 · Watch on YouTube ↗
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