int pot =A0;
int light =13;
void setup() {
Serial.begin(9600)  ;
pinMode(light,OUTPUT);

}

void loop() {
  int potvalue =analogRead(pot);
  Serial.print("pot analog value:");
  Serial.println(potvalue);
  digitalWrite(light,HIGH);
 delay(potvalue);
  digitalWrite(light,LOW);
  delay(potvalue);
  
}