Piezo Buzzer
Materials Needed:
Code:
int speakerPin = 12;
int numTones = 10;
int tones[] = {261, 277, 294, 311, 330, 349, 370, 392, 415, 440};
// mid C C# D D# E F F# G G# A
void setup()
{
for (int i = 0; i < numTones; i++)
{
tone(speakerPin, tones[i]);
delay(500);
}
noTone(speakerPin);
}
void loop()
{
}
Layout:
