Chapter 25. The Metronome
The “tick-tick-tick” of the metronome is the steady sound used to help musicians play music at a regular beat. In 1815, Johann Maelzel, a German inventor and engineer, made a swinging device for use as a tool for musicians to keep a steady tempo as they play their music. The metronome is a mechanical gadget that uses an adjustable weight attached to a pendulum rod. As the pendulum rod swings back and forth, the metronome makes a clicking sound. Today, Makers have made a variety of electronic metronomes that use speakers or LEDs to imitate the click and swinging motion of the mechanical pendulum. You can make your own metronome to impress family, friends, and the local Makerspace using a few electronic and electromechanical ...
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