Project 12 – Piezo Sounder Melody Player
Rather than using the piezo to make annoying alarm sounds, why not use it to play a melody? You are going to get your Arduino to play the chorus of “Puff the Magic Dragon.” Leave the circuit exactly the same as in Project 11; you are just changing the code.
Enter the Code
Open up your Arduino IDE and type in the code from Listing 4-2.
Listing 4-2. Code for Project 12
// Project 12 - Piezo Sounder Melody Player
#define NOTE_C3 131#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277 #define ...Get Beginning Arduino now with the O’Reilly learning platform.
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