#include <ESP32Servo.h>

Servo myServo;
int servoPin = 18;
int currentAngle = 0;

int stepDelay = 15; 

void setup() {
  Serial.begin(115200);
  
  myServo.attach(servoPin);
  Serial.println("Servo is ready! Sweeping back and forth...");
}

void loop() {

  for (currentAngle = 0; currentAngle <= 180; currentAngle++) {
    myServo.write(currentAngle);
    delay(stepDelay); // This delay is what controls the speed
  }
  
  for (currentAngle = 180; currentAngle >= 0; currentAngle--) {
    myServo.write(currentAngle);
    delay(stepDelay); // This delay is what controls the speed
  }
}