Arduino tutorial (Part 9, music and 4x4 keypad) - Electrical e-Library.com
tone() | Arduino Reference
Buzzer with Arduino to Generate a Tone - YouTube
Lab: Tone Output Using An Arduino – ITP Physical Computing
Chapter 5: Add a speaker and adjust the code – Arduino to Go
Arduino Tone Music: How to Play Musical Notes with Arduino | Arrow.com | Arrow.com
One-transistor audio amplifier for Arduino projects | Bryan Duxbury's Blog
Arduino tone generator
Arduino Talk 1: Use Of The Tone Function - Arduino Project Hub
USE a BUZZER MODULE (PIEZO SPEAKER) USING ARDUINO UNO - Arduino Project Hub
Arduino - Tone Library
Arduino Tone Music : 6 Steps - Instructables
Driving 5 Speakers Simultaneously with an Arduino – JeremyBlum.com
Tone() with 8-bit Volume Control - No Extra Components! - Arduino Project Hub
Bird Sound Generator Circuit Using Arduino | Tone Generator
Arduino Speaker: How to Build an Easy One
Lab: Tone Output Using An Arduino – ITP Physical Computing
Tone on Multiple Speakers | Arduino Documentation | Arduino Documentation
Simple keyboard using the tone() function | Arduino Documentation | Arduino Documentation
arduino uno - Multiple tones with one piezo buzzer - Arduino Stack Exchange
Playing Melodies on Piezo Buzzer using Arduino Tone() Function
5 Tones, 1 Arduino | Hackaday
Arduino Talk 1: Use Of The Tone Function - Arduino Project Hub
Arduino Tone Generator – Simple DIY Electronic Music Projects
Chapter 5: Add a speaker and adjust the code – Arduino to Go
