#include <ESP32Servo.h>

Servo myservo; 

int potpin = 35;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("hassen");
  myservo.attach(21);
  pinMode(potpin, INPUT);

   
}

void loop() {
  val = analogRead(potpin);   
  Serial.println(val);         // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)
  myservo.write(val);  
}