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Passive buzzer Passive buzzer
Passive buzzer Passive buzzer
Passive buzzer Passive buzzer

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Passive buzzer

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Passive buzzer buzzer is an electronic buzzer with integrated structure, which is powered by DC voltage. It is widely used as a sounding device in electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and so on.
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Passive buzzer

Product introduction

Buzzer is an electronic buzzer with integrated structure, which is powered by DC voltage. It is widely used as a sound device in electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and so on. The buzzer is represented by the letter "H" or "ha" in the circuit (the old standard used "FM", "LB", "JD", etc.). There is no vibration source inside the passive buzzer, so it can't sound with DC signal. It must be driven by 2K ~ 5K square wave. In some special cases, a control port can be multiplexed with LED.


Product parameters

Parameter type Characteristics
Specification 22×30mm
Positioning aperture 3mm
Control signal Digital signal
Working voltage 3.3-5V
Interface 3P
Line sequence G V D


Single chip microcomputer wiring

接线方式

Maker:Doorbell device

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