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购买 Arduino Tone Buzzer
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mundoprojetado.com.br
Buzzer - Como usar com o Arduino - Mundo Projetado
O buzzer é um componente muito simples e barato, e chega a ser um auto falante alternativo, porém limitado. Por funcionar semelhante a um alto falante, ele pode ser usado para aplicações bem interessantes. Se você deseja entender a base de funcionamento do buzzer, recomendo que leia o post sobre o efeito piezoelétrico. Som emitido Existem
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