Passive Buzzer - 14mm

Passive Buzzer - 14mm

Passive buzzer module is a component used to provide sound output in electronic projects. Passive buzzers produce sound when triggered by an external oscillator or signal source. Here is more information about the passive buzzer module:

Working principle: Passive buzzers produce sound using piezoelectric elements. Piezoelectric material vibrates when an electrical signal is applied, and these vibrations create sound waves in the air.

Frequency range: Passive buzzers can operate over a wide frequency range. They generally perform best at frequencies between 1-5 kHz.

Driver circuit: A driver circuit is needed for passive buzzers to work. This circuit drives the buzzer by amplifying signals from the microcontroller or another signal source.

Module structure: Passive buzzer modules generally consist of a passive buzzer and connection pins mounted on a printed circuit board (PCB). Some modules may additionally contain an amplifier or driver IC.

Connection: Passive buzzer modules usually have two or three pins. In two-pin modules, one pin is used for signal input while the other pin is for ground (GND) connection. Three-pin modules usually have VCC (power), GND (ground) and signal pins.

Programming: To use passive buzzer modules, a signal at the appropriate frequency must be sent by the microcontroller or other control device. This is usually done using PWM (Pulse Width Modulation) or audio synthesis techniques.

Areas of use: Passive buzzer modules can be used in alarm systems, warning sounds, music playback, toys and many other electronic projects.

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