Active Buzzer Alarm Sound Module

LKR 150.00
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SKU: RB072
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Description

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.

  • 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