Дарт Вейдер: программка играет имперский марш из Звёздных войн.
 

/* 
Plays Imperial March on speaker attached to the digital pin

The frequencies and delays are taken from:
http://wiki.tiprocessors.com/index.php/Playing_The_Imperial_March 

*/

const int speakerPin = 10; // Spealer is attached to the digital pin 10

// frequencies
const int c = 261;
const int d = 294;
const int e = 329;
const int f = 349;
const int g = 391;
const int gS = 415;
const int a = 440;
const int aS = 455;
const int b = 466;
const int cH = 523;
const int cSH = 554;
const int dH = 587;
const int dSH = 622;
const int eH = 659;
const int fH = 698;
const int fSH = 740;
const int gH = 784;
const int gSH = 830;
const int aH = 880;

// Beeps <ton> frequency for <time> miliseconds with a small pause to separate 
void beep(int ton, int time)
{
 tone(10, ton, time);
 delay(time + 20);
}

// Runs once on Arduino start
void setup()
{
 // shut off the speaker
 noTone(10);
}


// Runs constantly in a loop
void loop()
{
 beep(a, 500);
 beep(a, 500);
 beep(a, 500);
 beep(f, 350);
 beep(cH, 150); 
 beep(a, 500);
 beep(f, 350);
 beep(cH, 150);
 beep(a, 650);
 
 delay(150);
 //end of first bit 
 
 beep(eH, 500);
 beep(eH, 500);
 beep(eH, 500); 
 beep(fH, 350);
 beep(cH, 150);
 beep(gS, 500);
 beep(f, 350);
 beep(cH, 150);
 beep(a, 650);
 
 delay(150);
 //end of second bit... 
 
 beep(aH, 500);
 beep(a, 300);
 beep(a, 150);
 beep(aH, 400);
 beep(gSH, 200);
 beep(gH, 200); 
 beep(fSH, 125);
 beep(fH, 125); 
 beep(fSH, 250);
 
 delay(250);
 
 beep(aS, 250); 
 beep(dSH, 400); 
 beep(dH, 200); 
 beep(cSH, 200); 
 beep(cH, 125); 
 beep(b, 125); 
 beep(cH, 250); 
 
 delay(250);
 
 beep(f, 125); 
 beep(gS, 500); 
 beep(f, 375); 
 beep(a, 125);
 beep(cH, 500);
 beep(a, 375); 
 beep(cH, 125);
 beep(eH, 650);
 
 //end of third bit... (Though it doesn't play well)
 //let's repeat it
 
 beep(aH, 500);
 beep(a, 300);
 beep(a, 150);
 beep(aH, 400);
 beep(gSH, 200);
 beep(gH, 200);
 beep(fSH, 125);
 beep(fH, 125); 
 beep(fSH, 250);
 
 delay(250);
 
 beep(aS, 250); 
 beep(dSH, 400); 
 beep(dH, 200); 
 beep(cSH, 200); 
 beep(cH, 125); 
 beep(b, 125); 
 beep(cH, 250); 
 
 delay(250);
 
 beep(f, 250); 
 beep(gS, 500); 
 beep(f, 375); 
 beep(cH, 125);
 beep(a, 500); 
 beep(f, 375); 
 beep(cH, 125); 
 beep(a, 650); 
 //end of the song
 
 noTone(10);
 delay(10000);
}