The Code for Touchless Dog Hand Wash Timer

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Here is the details of the code for Touchless Dog Hand Wash Timer:

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Pitches Library Code

#define NOTE_B0  31

#define NOTE_C1  33

#define NOTE_CS1 35

#define NOTE_D1  37

#define NOTE_DS1 39

#define NOTE_E1  41

#define NOTE_F1  44

#define NOTE_FS1 46

#define NOTE_G1  49

#define NOTE_GS1 52

#define NOTE_A1  55

#define NOTE_AS1 58

#define NOTE_B1  62

#define NOTE_C2  65

#define NOTE_CS2 69

#define NOTE_D2  73

#define NOTE_DS2 78

#define NOTE_E2  82

#define NOTE_F2  87

#define NOTE_FS2 93

#define NOTE_G2  98

#define NOTE_GS2 104

#define NOTE_A2  110

#define NOTE_AS2 117

#define NOTE_B2  123

#define NOTE_C3  131

#define NOTE_CS3 139

#define NOTE_D3  147

#define NOTE_DS3 156

#define NOTE_E3  165

#define NOTE_F3  175

#define NOTE_FS3 185

#define NOTE_G3  196

#define NOTE_GS3 208

#define NOTE_A3  220

#define NOTE_AS3 233

#define NOTE_B3  247

#define NOTE_C4  262

#define NOTE_CS4 277

#define NOTE_D4  294

#define NOTE_DS4 311

#define NOTE_E4  330

#define NOTE_F4  349

#define NOTE_FS4 370

#define NOTE_G4  392

#define NOTE_GS4 415

#define NOTE_A4  440

#define NOTE_AS4 466

#define NOTE_B4  494

#define NOTE_C5  523

#define NOTE_CS5 554

#define NOTE_D5  587

#define NOTE_DS5 622

#define NOTE_E5  659

#define NOTE_F5  698

#define NOTE_FS5 740

#define NOTE_G5  784

#define NOTE_GS5 831

#define NOTE_A5  880

#define NOTE_AS5 932

#define NOTE_B5  988

#define NOTE_C6  1047

#define NOTE_CS6 1109

#define NOTE_D6  1175

#define NOTE_DS6 1245

#define NOTE_E6  1319

#define NOTE_F6  1397

#define NOTE_FS6 1480

#define NOTE_G6  1568

#define NOTE_GS6 1661

#define NOTE_A6  1760

#define NOTE_AS6 1865

#define NOTE_B6  1976

#define NOTE_C7  2093

#define NOTE_CS7 2217

#define NOTE_D7  2349

#define NOTE_DS7 2489

#define NOTE_E7  2637

#define NOTE_F7  2794

#define NOTE_FS7 2960

#define NOTE_G7  3136

#define NOTE_GS7 3322

#define NOTE_A7  3520

#define NOTE_AS7 3729

#define NOTE_B7  3951

#define NOTE_C8  4186

#define NOTE_CS8 4435

#define NOTE_D8  4699

#define NOTE_DS8 4978

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// This code is made by Charles Projects

// First, you will need library of pitches

#include "pitches.h"

/*

Second, you should create an array for melody notes and their durations,

but the array of the melody notes and durations HAVE TO have the same size.

*/

// The definition of the melody array 

int melody[] = {NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4,

NOTE_A4, NOTE_A4, NOTE_A4, NOTE_A4, NOTE_G4,

NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4,

NOTE_D4, NOTE_D4, NOTE_C4,

NOTE_G4, NOTE_G4, NOTE_G4, NOTE_F4, NOTE_F4,

NOTE_E4, NOTE_E4, NOTE_E4, NOTE_D4,

NOTE_C4, NOTE_G4, NOTE_G4, NOTE_G4, NOTE_F4, NOTE_F4, NOTE_F4,

NOTE_F4, NOTE_E4, NOTE_E4, NOTE_E4, NOTE_D4,

NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4,

NOTE_A4, NOTE_A4, NOTE_A4, NOTE_A4, NOTE_G4,

NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4,

NOTE_D4, NOTE_D4, NOTE_C4};

// For note duration, I used 2, 4, 8. They mean half-note, quarter-note, and 8th note, respectively.

int durations[] = {4, 4, 4, 4, 8, 8, 8, 8, 2, 4, 4, 4, 4, 4, 4, 2, 4, 8, 8, 4, 4, 4, 8, 8, 2, 8, 4, 8, 8, 8, 8, 8, 8, 4, 8, 8, 2, 4, 4, 4, 4, 8, 8, 8, 8, 2, 4, 4, 4, 4, 4, 4, 1};

// The loop iteration is used to obtain the arrays' length.

int songLength = sizeof(melody)/sizeof(melody[0]);

// The definitions of the echo and trig pins in Arduino Nano

int echoPin = 11;

int trigPin = 12;

long durationus; //durationus mean "Duration for Ultrasonic Sensor"

int distance;

void setup() {

  for (int i = 2; i <= 7; i++) {

    pinMode (i, OUTPUT);

  }

  

  pinMode (trigPin, OUTPUT);

  pinMode (echoPin, INPUT); 

  

}

void loop() {

  // Orders the Ultrasonic Sensor to measure distance and reads the measured data

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

  durationus = pulseIn(echoPin, HIGH);

  distance = (durationus * .0343) / 2;

  // This condition is to determine an object with a distance of 15 centimeters.

  if (distance > 0 && distance <= 15) {ledmelodytimer();}

    

}

void ledmelodytimer() {

  // This is for all LEDs except Red.

  for (int i = 7; i >= 3; i--) {

    digitalWrite (i, HIGH);

    Serial.print(i);

    

    for (int di = (7-i)*9; di <= (8-i)*9-1; di++) {

      int duration = 1000 / durations[di];

      tone(8, melody[di], duration);

      Serial.print(di);

      

      // This is for pausing between notes.

      int pause = duration * 30/18;

      delay(pause);

      

      // This is for stopping the notes.

      noTone(8);

    }

    

  }

  

  // Turns off all other LEDs except Red

  for (int i = 3; i <= 7; i++) {

      digitalWrite (i, LOW);

  }

  

  

  // This is for Red LED. All other LEDs are turned off.

  digitalWrite (2, HIGH);

  

  for (int di = 45; di <= 52; di++) {

    int duration = 1000 / durations[di];

    tone(8, melody[di], duration);

    Serial.print(di);

    

    // This is for pausing between notes.

    int pause = duration * 30/18;

    delay(pause);

    

    // This is for stopping the notes.

    noTone(8);

  }

  

  // Turns off the Red LED

  digitalWrite (2, LOW);

}

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