Basic.ino

#include <anyrtttl.h>
#include <binrtttl.h>
#include <pitches.h>

// Define the BUZZER_PIN for current board
#if defined(ESP32)
#define BUZZER_PIN 25 // Using GPIO25 (pin labeled D25)
#elif defined(ESP8266)
#define BUZZER_PIN  2 // Using GPIO2  (pin labeled D4)
#else // base arduino models
#define BUZZER_PIN 9
#endif

//project's constants
const char * tetris = "tetris:d=4,o=5,b=160:e6,8b,8c6,8d6,16e6,16d6,8c6,8b,a,8a,8c6,e6,8d6,8c6,b,8b,8c6,d6,e6,c6,a,2a,8p,d6,8f6,a6,8g6,8f6,e6,8e6,8c6,e6,8d6,8c6,b,8b,8c6,d6,e6,c6,a,a";

void setup() {
  pinMode(BUZZER_PIN, OUTPUT);

  Serial.begin(115200);
  Serial.println();
}

void loop() {
  anyrtttl::blocking::play(BUZZER_PIN, tetris);

  while(true)
  {
    delay(1); // prevent watchdog from reseting the board
  }
}