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A piezoelectric speaker is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created by applying a voltage to a piezoelectric material, and this motion is typically converted into audible sound using diaphragms and resonators.

Continuous Active Buzzer DC 3V-24V


SFM-27 DC 3-24V 12mA Industrial Continuous Sound Electronic Buzzer

Product Name : Electronic Buzzer;Model No. : SFM-27;Sound-making Type : Continuous Sound;Rated Voltage : DC 3-24V Rated Current : less than 12mA;Sound Pressure : more than 95dB;Operating Temperature : -20C to +45C Body Diameter : 30mm / 1.2″;Overall Size : 47 x 33 x 25mm / 1.85″ x 1.3″ x 1.0″(L*W*H);Mounting Hole Diameter : 3.5mm / 0.138″ Mounting Hole Distance : 38mm / 1.5″;Wire Length : 11cm / 4.3″;External Material : Plastic Color : White;Weight : 11g; Plastic housing, DC 3-24V working voltage, black and red 2 wire, convenient for wiring.

DF Player


Mini MP3 Player Module TF Card U Disk Mini MP3 Player Audio Voice Module Board For Arduino DF Play.

Mini Plug Speaker

Power on the computer, we will hear the familiar sound of "beep" a sound, generally indicating that the computer can be used normally, the sound is emitted.

Passive buzzer sensor module

The KY-006 Buzzer Module consists of a passive piezoelectric buzzer, it can generate tones between 1.5 to 2.5 kHz by switching it on and off at different frequencies either using delays or PWM.

Piezo Electronic Buzzer Beep Tone Alarm

Piezo Electronic Buzzer Beep Tone Alarm Ringer Continue Sound 3v - 24v Buzzer Electromagnetic.