Toothbrush Runner

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Don't throw away your old toothbrushes. With a small vibration motor you can use them as an exciting toy to play hockey. Just push them and they run away at high speed. The switch is a simple connector. An SCAD file is included in case you need to change the motor diameter.All types of brushes can be used.

About the author:
Willem van Dreumel
Retired aerospace engineer. Author of many books on electronics and microprocessors.

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