This is easy Metronome Circuit.
It use IC 555 x2 and drive speaker.
This be Metronome Circuit. For sound origin Metronome strange music is good. By use the integrated circuit timer. The highly popularnumber NE555 or LM555 from the circuit uses IC this 2 pcs. frequency tall low origin alternates can give tone sweet voice. The VR1 use for fine the sound that want. By this circuit uses 8ohm small-sized loudspeakers. Then seeks to buy all not difficult equipment. Request have fun the electronics , be lucky.