#include <ESP32Servo.h>
Servo servo1;
Servo servo2;
Servo servo3;
Servo servo4;
void setup(){
Servo motor1.attach(21);
Servo motor2.attach(17);
Servo motor3.attach(12);
Servo motor4.attach(32);
}

void loop(){
  servo1.write(0)
  servo2.write(0)
  servo3.write(0)
  servo4.write(0)
  delay(500);

  servo1.write(45)
  servo2.write(45)
  servo3.write(45)
  servo4.write(45)
  delay(500);

}