Description

We can use Arduino to make many interactive works of which the most commonly used is acoustic-optic display. All the previous experiment has something to do with LED. However, the circuit in this experiment can produce sound. Normally, the experiment is done with a buzzer or a speaker while buzzer is simpler and easier to use. The buzzer we introduced here is a passive buzzer. It cannot be actuated by itself, but by external pulse frequencies. Different frequencies produce different sounds. We can use Arduino to code the melody of a song, which is actually quite fun and simple.

SPECIFICATIONS

  • Working voltage: 3.3-5v
  • Interface type: digital
  • Size: 30*20mm
  • Weight: 4g

DOCUMENTATIONS

SHIPPING LIST

  • 1 x Passive Buzzer Module for Arduino
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