Simple Metronome With Transistors

Posted on September 9, 2010 by Rust

Flip-flop, as an astable multivibrator, can be used to generate timing signal in music: metronome. By adjusting transistor bias resistor using a 100k potentiometer, the charging and discharging time of capacitors can be adjusted to get  proper tick period for the metronome. Here is the schematic diagram of this simple metronome circuit.

Simple Metronome With Transistors circuit schematic diagram

This metronome circuit can be put in a small box. A small loudspeaker (2″) would be suitable for this circuit. Don’t forget to install the 100k pot at the convenient location on the box to ease setting the tick period of this electronic metronome.

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