Making Arduino sing, Part Three: Playing a melody

Dave from uC Hobby writes:

This is the third in a series of articles about generating sound with an Arduino. In this article we bit-bang our way through Jingle Bells. It’s almost Christmas so why not make a festive microcontroller project?

Arduino Sound Part 3. Playing a Melody – Link

Related:

• Making Arduino sing – Link
• Making Arduino sing, Part Two – Link