#include <Servo.h>
#define pot A0
Servo servomotor;
int potData;
int ugol;
void setup() {
  // put your setup code here, to run once:
servomotor.attach(3);
pinMode(pot, INPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
int potData = analogRead(pot);
int ugol = map(potData, 0, 1023, 0, 180);
servomotor.write(ugol);
Serial.println(ugol);
}