Passive Buzzer Alarm Sound Module - Pack of 5

Volume discounts:
  • +100 8 % $1.15
  • +300 10 % $1.12
  • +500 13 % $1.09
  • +1000 15 % $1.06
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Buzzers can be categorized into two different types – active buzzers and passive buzzers. An active buzzer has a built-in oscillator so it can produce sound with only a DC power supply. A passive buzzer does not have a built-in oscillator, so it needs an AC audio signal to produce sound.

This module is sold in two types, Active High or Active Low.

Features of Passive Buzzer Alarm Sound Module:

  • No oscillation source,need square wave(frequency 2K-5K ) to drive
  • Work Voltage:3.3-5V
  • PCB Dimension : 3.3cm*1.3cm

Extra Notes:

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