#include <Servo.h>

Servo servo;//create servo objects

void setup(){
  //servo signal to GPTO pin3
  servo.attach(3);
  Serial.begin(9600); 
  
}

void loop(){
  //read sensor value
  int val=analogRead(0);
  //Serial.println(val);
  Serial.print(val);
  Serial.println("");
  delay(100);
  //map() to convert sensor value(0-678) to angle(0-180)
  int angle=map(val,0,678,0,180);
  //output to servo
 // Serial.println(angle);
  servo.write(angle);
  
}