// Play 'Mary Had a Little Lamb' with variables for notes, tone duration, and rest length //Create the notes in the song as variables to speed up the coding process int C = 523; int D = 587; int E = 659; int G = 784; int note = 500; //the duration of the tone that is playing int rest = 20; //the duration of the rest between the same notes in the song void setup(){ pinMode(10,OUTPUT); //Set the speaker as an OUTPUT } void loop(){ tone(10,E); //E delay(note); tone(10,D); //D delay(note); tone(10,C); //C delay(note); tone(10,D); //D delay(note); tone(10,E); //E delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,E); //E delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,E); //E delay(note); tone(10,D); //D delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,D); //D delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,D); //D delay(note); tone(10,E); //E delay(note); tone(10,G); //G delay(note); noTone(10); //A pause between the same 2 notes makes it sound more like pressing the key again delay(rest); tone(10,G); //G delay(note); tone(10,E); //E delay(note); tone(10,D); //D delay(note); tone(10,C); //C delay(note); tone(10,D); //D delay(note); tone(10,E); //E delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,E); //E delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,E); //E delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,E); //E delay(note); tone(10,D); //D delay(note); noTone(10); //Pause between the same 2 notes so it sounds more like pressing the key again delay(rest); tone(10,D); //D delay(note); tone(10,E); //E delay(note); tone(10,D); //D delay(note); tone(10,C); //C delay(note); noTone(10); delay(5000); // Wait for 5 seconds before starting again } // (c) 2018 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense