Active Buzzer Alarm Sound Module - Pack of 5

Volume discounts:
  • +100 12 % $1.10
  • +300 15 % $1.06
  • +500 19 % $1.01
  • +1000 23 % $0.96
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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 Active Buzzer Alarm Sound Module:

  • module uses S8050 triode drive
  • working voltage 3.3V-5V
  • with fixed bolt holes for easy installation
  • small board PCB size: 3.2cm * 1.3cm
  • If the I/O port input is HIGH, the buzzer sounds

Extra Notes:

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