Скачать или смотреть Sparkfun Inventor's Kit for LabVIEW - 08 | Piezo Buzzer

Piezo buzzers create sounds by vibrating in response to voltage changes and are use as audio indicators in watches, computers and many other common devices. In this tutorial we'll learn how to play tones on a piezo buzzer by generating a square wave, and then modify the code to play a musical scale by adjusting the square wave frequency.

Check out the circuit schematic and more info at http://goo.gl/23JQGu

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