//DEFINIÇÃO DE NOMES 
#define LED5 19
#define LED4 18
#define LED3 17  //LEDS 
#define LED2 16
#define LED1 4

#define POTPIN 34 //POTENCIOMETRO

//DEFINIÇÃO DE VARIÁVEIS
unsigned int potvl; 

//ROTINA DE INICIALIZAÇÃO
void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(POTPIN, INPUT); //DEFININDO A ENTRADA DO CIRCUITO

  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);  //DEFININDO AS SAÍDAS DOS CIRCUITO
  pinMode(LED4, OUTPUT);
  pinMode(LED5, OUTPUT);
}

//ROTINA DE OPERAÇÃO
void loop() {
  potvl = analogRead(POTPIN);

  if (potvl <= 1500)//CORRIGIR CONFORME ENUNCIADO 
  {
    for (int i = 0; i <=15; i++) {
        
        digitalWrite(LED1, (i & 0b00001) ? HIGH : LOW);
        digitalWrite(LED2, (i & 0b00010) ? HIGH : LOW);
        digitalWrite(LED3, (i & 0b00100) ? HIGH : LOW);
        digitalWrite(LED4, (i & 0b01000) ? HIGH : LOW);
        //digitalWrite(LED5, (i & 0b10000) ? HIGH : LOW);

        delay(500); 
    }
  }  

  if (potvl > 1500 && potvl <=3000) //CORRIGIR CONFORME ENUNCIADO
  {
    for (int i = 15; i >= 0; i--) {
    
        digitalWrite(LED1, (i & 0b00001) ? HIGH : LOW);
        digitalWrite(LED2, (i & 0b00010) ? HIGH : LOW);
        digitalWrite(LED3, (i & 0b00100) ? HIGH : LOW);
        digitalWrite(LED4, (i & 0b01000) ? HIGH : LOW);
        //digitalWrite(LED5, (i & 0b10000) ? HIGH : LOW);

        delay(500);
     }
  }

  if (potvl > 3000) //CORRIGIR CONFORME ENUNCIADO
  {
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, HIGH);
    digitalWrite(LED3, LOW); 
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);

    delay(250);

    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW); 
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, HIGH);

    delay(250);

    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW); 
    digitalWrite(LED4, HIGH);
    //digitalWrite(LED5, LOW);

    delay(250);

    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, HIGH); 
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);

    delay(250);

    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW); 
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);

    delay(250);
  }
}