#define LED_RED 13
#define LED_YELLOW 12 
#define LED_GREEN 11
#define pinButton 8

#define POT A0

unsigned int tempo = 0;


void setup() {
  // put your setup code here, to run once:
  pinMode(LED_RED, OUTPUT);


}

void loop() {
  // put your main code here, to run repeatedly:
  tempo = analogRead(POT);
  digitalWrite(LED_RED, !digitalRead(LED_RED));
  delay(tempo);

}