If you are looking for the Chapter 6 content for the 1st Edition of Exploring Arduino, please click here.

Making Sounds and Music

Parts List

• Arduino Uno or Adafruit METRO 328
• USB cable (Type A to B for Uno, Type A to Micro-B for METRO)
• Half-size or full-size breadboard
• Assorted jumper wires
• Pushbuttons (×5)
• 220Ω resistor
• 10kΩ resistors (×5)
• 10kΩ trim potentiometer
• 8Ω loudspeaker

Code

Download Code (2nd Edition, Chapter 6)
(Also available on GitHub)

Useful Links

• Pentatonic Scale Entry on Wikipedia
• Arduino tone() Function Reference
• Arduino noTone() Function Reference
• Arduino while loop Reference
• Arduino #define Reference
• Arduino #include Reference
• Arduino array Reference
• Music Synthesis with the SudoGlove
• Advanced Multispeaker Control Tutorial

Videos

Listen to a sample of Arduino-Generated Audio from this chapter:

Watch a demo video of the “Pentatonic Piano” project from this chapter: