# include <ESP32Servo.h>

Servo servo1;
Servo servo2;
// Servo servo3;
// Servo servo4;
const int servo1_pin = 18;
const int servo2_pin = 19;

void setup() {  
  Serial.begin(9600);
  servo1.attach(servo1_pin);
  servo2.attach(servo2_pin);
}

void spinServo (Servo object){
  // Move from 0 to 180 degrees
  for (int pos = 0; pos <= 180; pos += 1) {
    object.write(pos);
    delay(15);
  }
  // Move back from 180 to 0 degrees
  for (int pos = 180; pos >= 0; pos -= 1) {
    object.write(pos);
    delay(15);
  }
}

void loop() {
  spinServo(servo1);
  delay(15);
  spinServo(servo2);
}