AM-121AB Active Buzzer Driver Module Alarm Device Sensor with wires

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This is a module with transistor to drive buzzer, just supply power and a drive signal and the buzzer with play and amplify the notes.

An active buzzer with a concussion internal source- so long as it will be called an energized. Program easy to control- SCM can let a high-low sound- while passive buzzer did not.


  • Color Green + black
  • Material FR4
  • Features Active buzzer module with concussion source, it will beep when power connected; Easy to control, only a microcontroller high-low level.
  • Specification Module uses 8550 transistor drive; Working voltage: 3.3V~5V; With installation screws (screw hole: 2.6mm), convenient to install; External 3.3V~5V voltage; External GND out and MCU IO port
  • Application Great for DIY project
  • 3 x DuPont lines (20cm)
  • Dimensions: 1.34 in x 0.51 in x 0.47 in (3.4 cm x 1.3 cm x 1.2 cm)
  • Weight: 0.18 oz (5 g)
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