Infrared Control

// IRremote - Version: Latest 
#include <IRremote.h>
#include <IRremoteInt.h>

int redLED = 3;
int yellowLED = 4;
int blueLED = 5;

int speakerPin = 9;

// the calculation of the tones is made following the mathematical operation:
// > timeHigh = period / 2 = 1 / (2 * toneFrequency)
// where the different tones are described as in the table:
//note    frequency    period    timeHigh
  /*
  c       261 Hz       3830       1915   
  d       294 Hz       3400       1700  
  e       329 Hz       3038       1519  
  f       349 Hz       2864       1432  
  g       392 Hz       2550       1275  
  a       440 Hz       2272       1136  
  b       493 Hz       2028       1014  
  C       523 Hz       1912        956
  */

int length = 8; // the number of notes
char notes[] = "cdefgabC "; // a space represents a rest
int beats[] = { 1 };
int tempo = 300;

int receiver = 11; // Signal Pin of IR receiver to Arduino Digital Pin 11

/*-----( Declare objects )-----*/
IRrecv irrecv(receiver);     // create instance of 'irrecv'
decode_results results;      // create instance of 'decode_results'

void setup()   /*----( SETUP: RUNS ONCE )----*/
{
  Serial.begin(9600);
  Serial.println("IR Receiver Button Decode"); 
  irrecv.enableIRIn(); // Start the receiver
   
  pinMode(speakerPin, OUTPUT);

  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  pinMode(blueLED, OUTPUT);

}/*--(end setup )---*/


void loop()   /*----( LOOP: RUNS CONSTANTLY )----*/
{
  if (irrecv.decode(&results)) // have we received an IR signal?
  {
    Serial.println(results.value); // > here you get the integer from your Remote
    // use an Decimal to Hexadecimal Converter to get the Hex like this: http://www.binaryhexconverter.com/decimal-to-hex-converter
    // add your Mapping in the function translateIR > check the two examples with Power and number 5-Button
    translateIR(); 
    irrecv.resume(); // receive the next value
  }  
}/* --(end main loop )-- */

/*-----( Function )-----*/
void translateIR() // takes action based on IR code received

// describing Remote IR codes 

{

  switch(results.value)
    
  {
  case 0xFFA25D: Serial.println("POWER Elegoo"); break;     // 16753245 Elegoo
  case 0xE0E040BF: Serial.println("POWER Samsung"); break;  // 3772793023 Samsung
  case 0xD5AD0B51: Serial.println("POWER Technics"); break;  // 3584887633 Technics
  case 0xA0C: Serial.println("POWER TechniSat"); break; // TechniSat
  
  case 0xFFE21D: Serial.println("FUNC/STOP"); break; // 16769565 Elegoo
  case 0xFF629D: Serial.println("VOL+"); break;  // 16736925 Elegoo 
  case 0xFF22DD: Serial.println("FAST BACK");    break;  // 16720605 Elegoo
  case 0xFF02FD: Serial.println("PAUSE");    break;  // 16712445
  case 0xFFC23D: Serial.println("FAST FORWARD");   break;
  case 0xFFE01F: Serial.println("DOWN");    break;
  case 0xFFA857: Serial.println("VOL-");    break;
  case 0xFF906F: Serial.println("UP");    break;
  case 0xFF9867: Serial.println("EQ");    break;
  case 0xFFB04F: Serial.println("ST/REPT");    break;
  
  case 0xFF6897: Serial.println("0");    break;
  case 0x200: Serial.println("0 TechniSat"); break; // TechniSat
  case 0xA00: Serial.println("0 TechniSat"); break; // TechniSat
  
  case 0xFF30CF: Serial.println("1");  
  playNote(notes[1], 1 * tempo);
  digitalWrite(redLED, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(redLED, LOW);    // turn the LED off by making the voltage LOW
  
 /*   for (int i = 0; i < length; i++) {
    if (notes[i] == ' ') {
      delay(beats[i] * tempo); // rest
    } else {
      playNote(notes[i], beats[i] * tempo);
    }

    // pause between notes
    delay(tempo / 2); 
  }
  */
  break;
  
  case 0x201: Serial.println("1 TechniSat"); break; // TechniSat
  case 0xA01: Serial.println("1 TechniSat"); break; // TechniSat
  
  case 0xFF18E7: Serial.println("2");
  playNote(notes[2], 1 * tempo);
  digitalWrite(yellowLED, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(yellowLED, LOW);    // turn the LED off by making the voltage LOW
  
  break;
  case 0x202: Serial.println("2 TechniSat"); break; // TechniSat
  case 0xA02: Serial.println("2 TechniSat"); break; // TechniSat
  
  case 0xFF7A85: Serial.println("3");
  playNote(notes[3], 1 * tempo);
  digitalWrite(blueLED, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(blueLED, LOW);    // turn the LED off by making the voltage LOW
  
  break;
  case 0x203: Serial.println("3 TechniSat"); break; // TechniSat
  case 0xA03: Serial.println("3 TechniSat"); break; // TechniSat
  
  case 0xFF10EF: Serial.println("4");    break;
  case 0x204: Serial.println("4 TechniSat"); break; // TechniSat
  case 0xA04: Serial.println("4 TechniSat"); break; // TechniSat
  
  case 0xFF38C7: Serial.println("5 Elegoo");    break;     // 16726215 Elegoo
  case 0xE0E0906F: Serial.println("5 Samsung");    break;  // 3772813423 Samsung
  case 0xB1CE824B: Serial.println("5 Technics");    break;  // 2983101003 Technics
  case 0x205: Serial.println("5 TechniSat"); break; // TechniSat
  case 0xA05: Serial.println("5 TechniSat"); break; // TechniSat
  
  case 0xFF5AA5: Serial.println("6");    break;
  case 0x206: Serial.println("6 TechniSat"); break; // TechniSat
  case 0xA06: Serial.println("6 TechniSat"); break; // TechniSat
  
  case 0xFF42BD: Serial.println("7");    break;
  case 0x207: Serial.println("7 TechniSat"); break; // TechniSat
  case 0xA07: Serial.println("7 TechniSat"); break; // TechniSat

  case 0xFF4AB5: Serial.println("8");    break;
  case 0x208: Serial.println("8 TechniSat"); break; // TechniSat
  case 0xA08: Serial.println("8 TechniSat"); break; // TechniSat
  
  case 0xFF52AD: Serial.println("9");    break;
  case 0x209: Serial.println("9 TechniSat"); break; // TechniSat
  case 0xA09: Serial.println("9 TechniSat"); break; // TechniSat
  
  case 0xFFFFFFFF: Serial.println(" REPEAT");break;  

  default: 
    Serial.println(" other button   ");

  }// End Case

  delay(500); // Do not get immediate repeat


} //END translateIR

void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(speakerPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(speakerPin, LOW);
    delayMicroseconds(tone);
  }
}

void playNote(char note, int duration) {
  char names[] = { 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'C' };
  int tones[] = { 1915, 1700, 1519, 1432, 1275, 1136, 1014, 956 };

  // play the tone corresponding to the note name
  for (int i = 0; i < 8; i++) {
    if (names[i] == note) {
      playTone(tones[i], duration);
    }
  }
}