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→Sound, Tone Generation
=== Sound, Tone Generation ===
A kind of analog output. (but different from the light dimming)
* With Piezo, adjusting time delay.
* http://www.arduino.cc/en/Tutorial/PlayMelody
*this adjusts the frequency of the output (tone) not the magnitude. * the light fading above (<code>analogWrite()</code>)was an adjustment adjusted the brightness of the light (magnitude, not frequency) with PWM. * With SpeakerCan you drive a speaker?
[[Image:Pwm_tones.png]]
