// these constants won't change. They are the lowest and highest readings you
// get from your sensor:
const int sensorMin = 0;    // sensor minimum, discovered through experiment
const int sensorMax = 600;  // sensor maximum, discovered through experiment
const int ledbright = 2;
const int ledmedium = 3;
const int leddim = 4;
const int leddark = 5;
const int releCarga = 6;
const int threshold = 600;



void setup() {
  // initialize serial communication:
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
 }

 void Pisca(){
 digitalWrite(5, HIGH);
 delay(500);
 digitalWrite(5, LOW);
 delay(500);

 }


void loop() {
  // read the sensor:
  int sensorReading = analogRead(A0);
  // map the sensor range to a range of four options:
  Serial.println(sensorReading);
  int range = map(sensorReading, sensorMin, sensorMax, 0, 3);
  
  // do something different depending on the range value:
  switch (range) {
    case 0:  // your hand is on the sensor
      Serial.println("dark");
      //digitalWrite(5, HIGH);
      Pisca();
      digitalWrite(4, LOW);
      digitalWrite(3, LOW);
      digitalWrite(2, LOW);

      break;
    case 1:  // your hand is close to the sensor
      Serial.println("dim");
      digitalWrite(5, LOW);
      digitalWrite(4, HIGH);
      digitalWrite(3, LOW);
      digitalWrite(2, LOW);
      break;

      
    case 2:  // your hand is a few inches from the sensor
      Serial.println("medium");
      //digitalWrite(5, LOW);
      digitalWrite(4, LOW);
      digitalWrite(3, HIGH);
      digitalWrite(2, LOW);
      break;

    case 3:  // your hand is nowhere near the sensor
      Serial.println("bright");
      //digitalWrite(5, LOW);
      digitalWrite(4, LOW);
      digitalWrite(3, LOW);
      digitalWrite(2, HIGH);
      break;
      
        }

   if (sensorReading > threshold) {
    digitalWrite(6, LOW);
  } else {
    digitalWrite(6, HIGH);
  }



  delay(1);  // delay in between reads for stability
}