#include <ESP32Servo.h>


#define ServoPin (26)
#define vrPin (34)
unsigned int ADCmin = 0;
unsigned int ADCmax = 4095;
unsigned int POSmin = 0;
unsigned int POSmax = 180;

#define ADC analogRead(vrPin)

Servo myServo;

void setup() {
myServo.attach(ServoPin);
}

void loop() {

int pos = map(ADC ,ADCmin ,ADCmax ,POSmin ,POSmax);
myServo.write(pos);

}