In this lesson we show you how to incorporate sound into your project using a passive buzzer. Passive Buzzers have the advantage that they are less expensive than active buzzers, and you can more precisely control the tone. This lesson will show you how to hook up the buzzer, and then how to code the arduino to produce different tones.
If you want to follow along at home, you can order the Arduino Kit we are using HERE.
Making The World a Better Place One High Tech Project at a Time. Enjoy!
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