Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Marcha imperial para arduino
int ledPin = 13;
//led for visualization (use 13 for built-in led)
int speakerPin = 11;
//speaker connected to one of the PWM ports
#define c 261
#define d 294
#define e 329
#define f 349
#define g 391
#define gS 415
#define a 440
#define aS 455
#define b 466
#define cH 523
#define cSH 554
#define dH 587
#define dSH 622
#define eH 659
#define fH 698
#define fSH 740
#define gH 784
#define gSH 830
#define aH 880
//frequencies for the tones we're going to use
//used http://home.mit.bme.hu/~bako/tonecalc/tonecalc.htm to get these
void setup()
{
pinMode(ledPin, OUTPUT);
// sets the ledPin to be an output
pinMode(speakerPin, OUTPUT);
//sets the speakerPin to be an output
}
void loop() // run over and over again
{
march();
}
void beep (unsigned char speakerPin, int frequencyInHertz, long timeInMilliseconds)
{
digitalWrite(ledPin, HIGH);
//use led to visualize the notes being played
int x;
long delayAmount = (long)(1000000/frequencyInHertz);
long loopTime = (long)((timeInMilliseconds*1000)/(delayAmount*2));
for (x=0;x<loopTime;x++)
{
digitalWrite(speakerPin,HIGH);
delayMicroseconds(delayAmount);
digitalWrite(speakerPin,LOW);
delayMicroseconds(delayAmount);
}
digitalWrite(ledPin, LOW);
//set led back to low
delay(20);
//a little delay to make all notes sound separate
}
void march()
{
//for the sheet music see:
//http://www.musicnotes.com/sheetmusic/mtd.asp?ppn=MN0016254
//this is just a translation of said sheet music to frequencies / time in ms
//used 500 ms for a quart note
beep(speakerPin, a, 500);
beep(speakerPin, a, 500);
beep(speakerPin, a, 500);
beep(speakerPin, f, 350);
beep(speakerPin, cH, 150);
beep(speakerPin, a, 500);
beep(speakerPin, f, 350);
beep(speakerPin, cH, 150);
beep(speakerPin, a, 1000);
//first bit
beep(speakerPin, eH, 500);
beep(speakerPin, eH, 500);
beep(speakerPin, eH, 500);
beep(speakerPin, fH, 350);
beep(speakerPin, cH, 150);
beep(speakerPin, gS, 500);
beep(speakerPin, f, 350);
beep(speakerPin, cH, 150);
beep(speakerPin, a, 1000);
//second bit...
beep(speakerPin, aH, 500);
beep(speakerPin, a, 350);
beep(speakerPin, a, 150);
beep(speakerPin, aH, 500);
beep(speakerPin, gSH, 250);
beep(speakerPin, gH, 250);
beep(speakerPin, fSH, 125);
beep(speakerPin, fH, 125);
beep(speakerPin, fSH, 250);
delay(250);
beep(speakerPin, aS, 250);
beep(speakerPin, dSH, 500);
beep(speakerPin, dH, 250);
beep(speakerPin, cSH, 250);
//start of the interesting bit
beep(speakerPin, cH, 125);
beep(speakerPin, b, 125);
beep(speakerPin, cH, 250);
delay(250);
beep(speakerPin, f, 125);
beep(speakerPin, gS, 500);
beep(speakerPin, f, 375);
beep(speakerPin, a, 125);
beep(speakerPin, cH, 500);
beep(speakerPin, a, 375);
beep(speakerPin, cH, 125);
beep(speakerPin, eH, 1000);
//more interesting stuff (this doesn't quite get it right somehow)
beep(speakerPin, aH, 500);
beep(speakerPin, a, 350);
beep(speakerPin, a, 150);
beep(speakerPin, aH, 500);
beep(speakerPin, gSH, 250);
beep(speakerPin, gH, 250);
beep(speakerPin, fSH, 125);
beep(speakerPin, fH, 125);
beep(speakerPin, fSH, 250);
delay(250);
beep(speakerPin, aS, 250);
beep(speakerPin, dSH, 500);
beep(speakerPin, dH, 250);
beep(speakerPin, cSH, 250);
//repeat... repeat
beep(speakerPin, cH, 125);
beep(speakerPin, b, 125);
beep(speakerPin, cH, 250);
delay(250);
beep(speakerPin, f, 250);
beep(speakerPin, gS, 500);
beep(speakerPin, f, 375);
beep(speakerPin, cH, 125);
beep(speakerPin, a, 500);
beep(speakerPin, f, 375);
beep(speakerPin, c, 125);
beep(speakerPin, a, 1000);
//and we're done \ó/
}
@GeoVa19

This comment has been minimized.

Copy link

@GeoVa19 GeoVa19 commented Dec 7, 2017

According to https://pages.mtu.edu/~suits/notefreqs.html, with A4 at 440 Hz, aS and b should be at 466 Hz and 494 Hz respectively. Besides that, I ran the code on my Arduino and I liked it very much!

@JairoLuz

This comment has been minimized.

Copy link

@JairoLuz JairoLuz commented Aug 24, 2019

@makarkotlov

This comment has been minimized.

Copy link

@makarkotlov makarkotlov commented Jun 7, 2020

Here's improved timing, typing and 2 notes frequencies that @GeoVa19 mentioned earlier, refactored a bit and added some comments

int ledPin = 13;
// led for visualization (use 13 for built-in led)

int speakerPin = 11;  
// speaker connected to one of the PWM ports

#define c 261
#define d 294
#define e 329
#define f 349
#define g 391
#define gS 415
#define a 440
#define aS 466
#define b 494
#define cH 523
#define cSH 554
#define dH 587
#define dSH 622
#define eH 659
#define fH 698
#define fSH 740
#define gH 784
#define gSH 830
#define aH 880
// frequencies for the tones we're going to use
// used http://home.mit.bme.hu/~bako/tonecalc/tonecalc.htm to get these

void setup() {
  pinMode(ledPin, OUTPUT);
  // sets the ledPin to be an output

  pinMode(speakerPin, OUTPUT);
  // sets the speakerPin to be an output
} 	 
  	 
void loop() {
  // run over and over again
  startImperialMarch();
} 	 
  	 
void beep (int speakerPin, int frequencyInHertz, long timeInMilliseconds) { 
    digitalWrite(ledPin, HIGH); 
    // use led to visualize the notes being played
  	 
    long delayAmount = (long)(1000000/frequencyInHertz);
    // the lesser delay the higher the note
  
    long timeInSeconds = timeInMilliseconds*1000;
  
    long beepDuration = (long)(timeInSeconds / (delayAmount*2));

    for (int i=0; i < beepDuration; i++) {
        digitalWrite(speakerPin,HIGH);
        delayMicroseconds(delayAmount);
        digitalWrite(speakerPin,LOW);
        delayMicroseconds(delayAmount);
    } 	 
    
    digitalWrite(ledPin, LOW);
    // set led back to low
    
    delay(20);
    // a little delay to make all notes sound separate
} 	 
  	 
void startImperialMarch() {
    // for the sheet music see:
    // http://www.musicnotes.com/sheetmusic/mtd.asp?ppn=MN0016254
    // this is just a translation of said sheet music to frequencies / time in ms
    // used 500 ms for a quart note
    
    beep(speakerPin, a, 500);
    beep(speakerPin, a, 500);     
    beep(speakerPin, a, 500); 
    beep(speakerPin, f, 350); 
    beep(speakerPin, cH, 150);
    
    beep(speakerPin, a, 500);
    beep(speakerPin, f, 350);
    beep(speakerPin, cH, 150);
    beep(speakerPin, a, 1000);
    // first bit
    
    beep(speakerPin, eH, 500);
    beep(speakerPin, eH, 500);
    beep(speakerPin, eH, 500);    
    beep(speakerPin, fH, 350); 
    beep(speakerPin, cH, 150);
    
    beep(speakerPin, gS, 500);
    beep(speakerPin, f, 350);
    beep(speakerPin, cH, 150);
    beep(speakerPin, a, 1000);
    //second bit...
    
    beep(speakerPin, aH, 500);
    beep(speakerPin, a, 350); 
    beep(speakerPin, a, 150);
    beep(speakerPin, aH, 500);
    beep(speakerPin, gSH, 350); 
    beep(speakerPin, gH, 125);
    
    beep(speakerPin, fSH, 125);
    beep(speakerPin, fH, 125);    
    beep(speakerPin, fSH, 250);
    delay(250);
    beep(speakerPin, aS, 250);    
    beep(speakerPin, dSH, 500);  
    beep(speakerPin, dH, 350);  
    beep(speakerPin, cSH, 125);  
    // start of the interesting bit
    
    beep(speakerPin, cH, 125);  
    beep(speakerPin, b, 125);  
    beep(speakerPin, cH, 250);      
    delay(250);
    beep(speakerPin, f, 250);  
    beep(speakerPin, gS, 500);  
    beep(speakerPin, f, 375);  
    beep(speakerPin, a, 125); 
    
    beep(speakerPin, cH, 500); 
    beep(speakerPin, a, 375);  
    beep(speakerPin, cH, 125); 
    beep(speakerPin, eH, 1000); 
    // more interesting stuff
    
    beep(speakerPin, aH, 500);
    beep(speakerPin, a, 350); 
    beep(speakerPin, a, 150);
    beep(speakerPin, aH, 500);
    beep(speakerPin, gSH, 350); 
    beep(speakerPin, gH, 125);
    
    beep(speakerPin, fSH, 125);
    beep(speakerPin, fH, 125);    
    beep(speakerPin, fSH, 250);
    delay(250);
    beep(speakerPin, aS, 250);    
    beep(speakerPin, dSH, 500);  
    beep(speakerPin, dH, 350);  
    beep(speakerPin, cSH, 125);  
    // repeat... repeat
    
    beep(speakerPin, cH, 125);  
    beep(speakerPin, b, 125);  
    beep(speakerPin, cH, 250);      
    delay(250);
    beep(speakerPin, f, 250);  
    beep(speakerPin, gS, 500);  
    beep(speakerPin, f, 375);  
    beep(speakerPin, cH, 125); 
           
    beep(speakerPin, a, 500);            
    beep(speakerPin, f, 375);            
    beep(speakerPin, cH, 125);            
    beep(speakerPin, a, 1000);       
    // and we're done \ó/    
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.