How to play a tone with older Arduino

(work in progress)

According to Tom Igoe’s tone tutorial, “This [the tone function] will work only for Arduino 0018 and beyond.”. But I think that refers to the software, not the hardware.

It has been observed that the toneMelody example works with Arduino Duemilanove, but not the Arduino NG with ATmega8.


Let’s take a look at the tone function. It is located in


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