#include <Servo.h>
Servo servo1;
void setup()
{
servo1.attach (3);
pinMode(6, OUTPUT);
pinMode(9, INPUT_PULLUP);
Serial.begin(9600);
}
int a;

void loop()
{
a= analogRead(A2);
Serial.println(a);
if(digitalRead(9)==0)
{
analogWrite(6, a/4);
servo1.write(a/(1024/180));
}
else
{analogWrite;(6, 0);}
}