Voice-controlled flowing water lantern accompanied by many famous songs singing circuit (5G167)

As shown in the figure, the circuit is composed of an acoustic/electrical sensor, an audio amplifier, a ring counting pulse distribution/drive circuit, a thyristor control circuit, a music sound generation circuit, an audio power amplifier circuit and an AC step-down rectifier circuit. IC1 uses 5G167, which is a ring counting pulse distribution/driving integrated circuit specially designed for radio recorder rotating flash light boxes. It contains a signal rectifier amplifier, a voltage controlled oscillator, a 3-bit ring timing counter and 3 drain output circuits.