#define pinPot A0
#define pinLed 7

long ultimaPiscada = 0;

bool valorLed = false;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pinLed, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int valorPot = analogRead(pinPot);
  Serial.print(valorPot);

  long delayLed = map(valorPot, 0, 1023, 100, 1000);

  Serial.print(valorPot);
  Serial.print(" == ");
  Serial.println(delayLed);
  
  if(millis() - ultimaPiscada > delayLed){
    valorLed = !valorLed;
    ultimaPiscada = millis();
  }

  digitalWrite(pinLed, valorLed);

}