// wa1tnr 18 Jan 2023 14:48 UTC
#include <Arduino.h>

const int blip = 128; // tone ON time
const int blap = 1200; // between tone duration (silence)
const int blop = blip + blap; // tone + silence time
const int memory[] = {500, 700, 900 };

void setup() {
  Serial.begin(9600);
    Serial.write(' ');
    Serial.println("");
    if (blap < blip) {
      Serial.println("NOTICE: increase blap to at least blip size!");
    }
    Serial.println("Begin:");
}

void playSong() {
  for (int index = 0; index < 3; index++) {
    int p = memory[index];
    Serial.print(p);
    Serial.println(" tone:");
    tone(A0, p, blip);
    delay(blop);
    noTone(A0);
  }
  Serial.println(" "); // stanza
}

void loop() {
  playSong();
}
// END.