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.
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.