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The electromagnetic buzzer consists of an oscillator, a solenoid, a magnet, a vibrating film, and an outer shell.

When we see the electromagnetic buzzer, many people may not be very familiar with this product. Although its usage range is very wide, there are still many knowledge points that we need to understand.

The principle of electromagnetic passive buzzer is a type of electro-acoustic device that converts electrical energy into vibration of vibrating plates through electromagnetic effects to produce sound...