#include <ESP32Servo.h>  // ESP32-specific Servo library 
Servo myServo;  // Create a Servo object 
void setup() { 
myServo.attach(18);  // Attach the servo control pin to pin D18 
} 
void loop() { 
// Sweep the servo from 0 to 180 degrees 
for (int pos = 0; pos <= 180; pos += 1) { 
myServo.write(pos);  // Set the servo position 
delay(15);           // Wait for the servo to reach the position
} 

// Sweep the servo back from 180 to 0 degrees 
for (int pos = 180; pos >= 0; pos -= 1) { 
myServo.write(pos);  // Set the servo position 
delay(15);    // Wait for the servo to reach the position
}
 }