We can use Arduino to make many interactive works of which the most commonly used is acoustic-optic display.
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. You can use Arduino to code the melody of a song, which is quite fun and simple.
This module should be used together with EASY plug control board.
Features
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Interface: Easy plug
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Working voltage: 3.3-5V
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Sensor type: digital
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Easy to use