Electronic metronome, English name: digital metronome, an electric or electronic device that emits a stable beat at various speeds, used as a rhythm instrument
An electric or electronic device that emits a stable beat at various speeds and is used as a rhythmical instrument. After the first metronome was created by Parisian E. Lurie in 1696, there were many types of such devices. The most commonly used is the metronome invented by the Austrian JN Meltzell in 1816. Meltzell's metronome has a pyramid shape and a clock structure inside. It has gears and springs to drive a pendulum. The pendulum makes a sharp "drip" sound at the end of each swing. The speed of these drip sounds. The pendulum can be moved up and down according to the scale of the ruler engraved on the pendulum, and its speed is 40~210 beats per minute. Around 1945, the Swiss watch industry produced a miniature metronome, shaped like a wall-mounted watch.
Functional composition
The metronome of modern semiconductors and integrated circuits is small and flexible, with multiple functions. . Hungarian composer G. Ligeti used 100 metrons in the Symphonic Poems to ring at different speeds.
The electronic metronome is a novel metronome with wide application range, adjustable beat, good sound, low cost, easy to make, and simple debugging. There are many electronic circuits constituting the electronic metronome, and only one example is provided here for reference. The figure below is its circuit schematic.
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