Playing musical notes with a PIC microcontroller

Embedded-Lab’s new tutorial is about how to play notes of a song with a PIC microcontroller. Musical notes are simply sound waves of particular frequencies. If the frequency of a note is known correctly, a microcontroller can be programmed to play the note by generating a square wave (of the same frequency) signal at one of its I/O pins, which if fed to a speaker, can produce the audio tone.

Playing musical notes with a PIC microcontroller – [Link]

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