int potPin = 5;
int ledPin = 13;
long count = 0;
void setup() {
pinMode(ledPin, OUTPUT);
Serial.begin(19200);
}
void loop() {
int val = analogRead(potPin);
digitalWrite(ledPin, HIGH);
delay(val);
digitalWrite(ledPin, LOW);
delay(val);
if(count%10==0){
Serial.print(millis());
Serial.print(":");
Serial.println(val);
}
count++;
}