ToneExample.ino

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/*


 */

#include <ESP32Servo.h>
int pin = 2;
void setup() {
    // Allow allocation of all timers
    ESP32PWM::allocateTimer(0);
    ESP32PWM::allocateTimer(1);
    ESP32PWM::allocateTimer(2);
    ESP32PWM::allocateTimer(3);
    Serial.begin(115200);

}

void loop() {
    tone(pin, 4186, // C
            500); // half a second
    tone(pin, 5274, // E
            500); // half a second
    delay(500);

}