int mycount = 0;
int mypot = 0;
int analogpin=A0;
void setup() 
{
pinMode(12, OUTPUT);  
//pinMode(A4, INPUT);
Serial.begin(9600);
}

void loop() {
  mycount++;
 Serial.print("Hello Computer  decimal = ");
Serial.print(mycount);
 Serial.print(" hex = ");
  Serial.println(mycount,HEX) ;
  mypot=analogRead(A0);
  Serial.println(mypot);
  digitalWrite(12, HIGH); // sets the digital pin 13 on
 delay( 1000);            // waits for a second
  digitalWrite(12, LOW);  // sets the digital pin 13 off
 delay(1000);            // waits for a second// put your main code here, to run repeatedly:

}