#include<ESP32Servo.h>

Servo servo_19;
Servo servo_18;
Servo servo_15;

int pos=0;
int x=0;

void setup() 
{
   pinMode(13, OUTPUT);
   pinMode(19, INPUT);
   servo_19.attach(13,500,2500);
   servo_19. write(0);

   pinMode(12, OUTPUT);
   pinMode(18, INPUT);
   servo_18.attach(13,500,2500);
   servo_18. write(0);

   pinMode(14, OUTPUT);
   pinMode(15, INPUT);
   servo_15.attach(13,500,2500);
   servo_15. write(0);


}

void loop() 
{
    x=analogRead(15);
    pos=map(x,0,1023,0,180);
    servo_19.write(pos);
    delay(15);

    x=analogRead(15);
    pos=map(x,0,1023,0,180);
    servo_18.write(pos);
    delay(15);

    x=analogRead(15);
    pos=map(x,0,1023,0,180);
    servo_15.write(pos);
    delay(15);

    //loop
}