Active & Passive Buzzers

The KY-012 Active Buzzer Module is a compact audio output module designed to generate an audible alert with a simple digital control signal. Unlike a passive buzzer, the KY-012 features a built-in oscillator, allowing it to produce a continuous tone whenever power or a HIGH logic signal is applied. No...

The PCB Mounted Passive Buzzer Module is a compact audio output module designed to generate programmable tones and sound effects using a microcontroller. Unlike an active buzzer, a passive buzzer does not contain an internal oscillator and requires a square wave or PWM signal to produce sound. This allows users...

The Active Buzzer Module 5V is a compact electronic sound-generating device widely used in embedded systems, microcontroller projects, alarm systems, and notification circuits. Unlike passive buzzers, an active buzzer contains an internal oscillation circuit, allowing it to produce a continuous audible tone simply by applying a DC voltage. This eliminates...

The Passive Buzzer Module with PCB is a compact sound-generating module designed for use with microcontrollers and embedded systems. Unlike active buzzers, a passive buzzer requires an external frequency signal to produce sound, allowing users to generate different tones, melodies, and alarm sounds. Mounted on a PCB for easy integration,...

The B10 Small Electromagnetic Active Buzzer is a compact audio signaling device designed to generate a continuous buzzer sound when DC power is applied. Unlike passive buzzers, the active buzzer contains an internal oscillator circuit, allowing it to produce sound directly without requiring an external PWM signal or frequency generator....

The B10 Small Electromagnetic Passive Buzzer is a compact sound-generating component designed for electronic circuits, microcontroller projects, alarms, and notification systems. Unlike active buzzers, a passive buzzer does not contain an internal oscillator and requires an external PWM or frequency signal to produce sound. This allows users to generate different...

The B27 Big Musical Buzzer is a self-driven electronic sound indicator designed to produce a loud and clear musical tone when a DC voltage is applied. Operating within a voltage range of 3V to 12V DC, this buzzer features an internal oscillator circuit, eliminating the need for an external signal...

The 26mm Piezoelectric Sensor/Transducer/Buzzer is a versatile electronic component that converts mechanical energy into electrical signals and electrical energy into mechanical vibrations through the piezoelectric effect. Consisting of a brass substrate with a bonded piezoelectric ceramic layer, this compact disc can function as a vibration sensor, impact detector, contact microphone,...

The 0.5W 8 Ohm Speaker is a compact dynamic loudspeaker designed for audio output in electronic circuits, embedded systems, toys, alarms, intercoms, and DIY electronics projects. With an impedance of 8Ω and a power rating of 0.5W, this speaker delivers clear and reliable sound reproduction while maintaining low power consumption....

The AC/230V 35mm Continuous Buzzer is a compact yet powerful audio signaling device designed to deliver a loud and continuous sound output directly from a 230V AC supply. Unlike low-voltage buzzers, this unit operates on standard AC mains voltage, making it ideal for industrial panels, control systems, and high-power alert...

The MB27A is a reliable and versatile audio signaling device designed to deliver a continuous sound output across a wide operating voltage range of 1.5V to 27V DC. This buzzer can be based on electromechanical or piezoelectric technology and is primarily used to convert electrical signals into audible sound for...

The MB27F is a compact and high-performance flat buzzer designed to produce a loud and continuous sound output for alert and notification purposes. It functions as an audio signaling device that converts electrical energy into audible sound and may be based on electromechanical or piezoelectric technology. Typically powered by a...