#include <ESP32Servo.h>

Servo myServo1;
Servo myServo2;
Servo myServo3;
Servo myServo4;

void setup() {
myServo1.attach(12);
myServo2.attach(14);
myServo3.attach(27);
myServo4.attach(26);
}
void loop() {
myServo1.write(0);
myServo2.write(0);
myServo3.write(0);
myServo4.write(0);
delay(500);
myServo1.write(180);
myServo2.write(180);
myServo3.write(180);
myServo4.write(180);
delay(500);
}