Speaker

#include "M5CoreS3.h"

void setup() {
    auto cfg = M5.config();
    CoreS3.begin(cfg);
    CoreS3.Display.setRotation(1);
    CoreS3.Display.setTextColor(GREEN);
    CoreS3.Display.setTextDatum(middle_center);
    CoreS3.Display.setTextFont(&fonts::Orbitron_Light_24);
    CoreS3.Display.setTextSize(1);
    CoreS3.Display.drawString("Buzzer Test", CoreS3.Display.width() / 2,
                                CoreS3.Display.height() / 2);
}

void loop() {
    CoreS3.Speaker.tone(10000, 100);
    delay(1000);
    CoreS3.Speaker.tone(4000, 20);
    delay(1000);
}