Say I have a tone generated on pin 4. I set it to go through one 4.7K ohm resistor and then a 10K potentiometer before it gets to the speaker then completes to ground. So I have some analog volume control. However, regardless of my preferred overall volume as limited by my potentiometer and resistor…

Need an Arduino Tone Digital Volume Control Method

CrossRoads February 17, 2011, 12:05am 11

Looks like low pin count parts. Too bad delivery is a month.

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