Toca la marcha imperial de Star Wars cuando la lectura de la foto resistencia (LDR) baja de cierto valor.
Entradas:
A0 - LDR
Salidas:
D13 - LED
D8 - Buzzer
// NB: ALL NOTES DEFINED WITH STANDARD ENGLISH NAMES, EXCEPT FROM "A"
//THAT IS CALLED WITH THE ITALIAN NAME "LA" BECAUSE A0,A1...ARE THE ANALOG PINS ON ARDUINO.
// (Ab IS CALLED Ab AND NOT LAb)
#define C0 16.35
#define Db0 17.32
#define D0 18.35
#define Eb0 19.45
#define E0 20.60
#define F0 21.83
#define Gb0 23.12
#define G0 24.50
#define Ab0 25.96
#define LA0 27.50
#define Bb0 29.14
#define B0 30.87
#define C1 32.70
#define Db1 34.65
#define D1 36.71
#define Eb1 38.89
#define E1 41.20
#define F1 43.65
#define Gb1 46.25
#define G1 49.00
#define Ab1 51.91
#define LA1 55.00
#define Bb1 58.27
#define B1 61.74
#define C2 65.41
#define Db2 69.30
#define D2 73.42
#define Eb2 77.78
#define E2 82.41
#define F2 87.31
#define Gb2 92.50
#define G2 98.00
#define Ab2 103.83
#define LA2 110.00
#define Bb2 116.54
#define B2 123.47
#define C3 130.81
#define Db3 138.59
#define D3 146.83
#define Eb3 155.56
#define E3 164.81
#define F3 174.61
#define Gb3 185.00
#define G3 196.00
#define Ab3 207.65
#define LA3 220.00
#define Bb3 233.08
#define B3 246.94
#define C4 261.63
#define Db4 277.18
#define D4 293.66
#define Eb4 311.13
#define E4 329.63
#define F4 349.23
#define Gb4 369.99
#define G4 392.00
#define Ab4 415.30
#define LA4 440.00
#define Bb4 466.16
#define B4 493.88
#define C5 523.25
#define Db5 554.37
#define D5 587.33
#define Eb5 622.25
#define E5 659.26
#define F5 698.46
#define Gb5 739.99
#define G5 783.99
#define Ab5 830.61
#define LA5 880.00
#define Bb5 932.33
#define B5 987.77
#define C6 1046.50
#define Db6 1108.73
#define D6 1174.66
#define Eb6 1244.51
#define E6 1318.51
#define F6 1396.91
#define Gb6 1479.98
#define G6 1567.98
#define Ab6 1661.22
#define LA6 1760.00
#define Bb6 1864.66
#define B6 1975.53
#define C7 2093.00
#define Db7 2217.46
#define D7 2349.32
#define Eb7 2489.02
#define E7 2637.02
#define F7 2793.83
#define Gb7 2959.96
#define G7 3135.96
#define Ab7 3322.44
#define LA7 3520.01
#define Bb7 3729.31
#define B7 3951.07
#define C8 4186.01
#define Db8 4434.92
#define D8 4698.64
#define Eb8 4978.03
#define PAUSE 0.0
#define END 1.0
// DURATION OF THE NOTES
#define BPM 120 // you can change this value changing all the others
#define H 2*Q //half 2/4
#define Q 60000/BPM //quarter 1/4
#define E Q/2 //eighth 1/8
#define S Q/4 // sixteenth 1/16
#define W 4*Q // whole 4/4
int i = 0;
float Notes[][2] = {{LA3,Q},{LA3,Q},{LA3,Q},{F3,E+S},{C4,S},
{LA3,Q},{F3,E+S},{C4,S},{LA3,H},
{E4,Q},{E4,Q},{E4,Q},{F4,E+S},{C4,S},
{Ab3,Q},{F3,E+S},{C4,S},{LA3,H},
{LA4,Q},{LA3,E+S},{LA3,S},{LA4,Q},{Ab4,E+S},{G4,S},
{Gb4,S},{E4,S},{F4,E},{PAUSE,E},{Bb3,E},{Eb4,Q},{D4,E+S},{Db4,S},
{C4,S},{B3,S},{C4,E},{PAUSE,E},{F3,E},{Ab3,Q},{F3,E+S},{LA3,S},
{C4,Q},{LA3,E+S},{C4,S},{E4,H},
{LA4,Q},{LA3,E+S},{LA3,S},{LA4,Q},{Ab4,E+S},{G4,},
{Gb4,S},{E4,S},{F4,E},{PAUSE,E},{Bb3,E},{Eb4,Q},{D4,E+S},{Db4,S},
{C4,S},{B3,S},{C4,E},{PAUSE,E},{F3,E},{Ab3,Q},{F3,E+S},{C4,S},
{LA3,Q},{F3,E+S},{C4,S},{LA3,H},{PAUSE,2*H},{END,H}
};
void play(float note, float duration)
{
tone(8,note,duration);
digitalWrite(13,HIGH);
delay(duration/2);
digitalWrite(13,LOW);
delay(1+duration/2);
}
void setup() {
// put your setup code here, to run once:
pinMode(8,OUTPUT);
pinMode(13,OUTPUT);
digitalWrite(13,LOW);
}
void loop() {
// put your main code here, to run repeatedly:
if(analogRead(0)<200)
{
play(Notes[i][0],Notes[i][1]);
i++;
if(Notes[i][0] == END) i = 0;
}
}
Video
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