//972020
#include <LiquidCrystal.h>

#include <Servo.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);


int sensorValue = 0;

int outputValue = 0;

int pos = 0;

int estado_sensor = 0;

Servo servo_9;

void setup()
{
  pinMode(A0, INPUT);
  pinMode(8, OUTPUT);
  //Serial.begin(9600);
  
  
  // set up the LCD's number of columns and rows:
  lcd.begin(0, 2);
  // Print a message to the LCD.
  lcd.print("S1:");
  
  
  //configure pin2 as an input and enable the internal pull-up resistor
  pinMode(7, INPUT_PULLUP);
  
   servo_9.attach(10);

}

void loop()
{
  // read the analog in value:
  sensorValue = analogRead(A0);
  // map it to the range of the analog out:
  outputValue = map(sensorValue, 0, 1023, 0, 255);
  // change the analog out value:
  analogWrite(8, outputValue);
  // print the results to the serial monitor:
  //Serial.print("sensor = ");
  //Serial.print(sensorValue);
  //Serial.print("\t output = ");
  //Serial.println(outputValue);
  // wait 2 milliseconds before the next loop for the
  // analog-to-digital converter to settle after the
  // last reading:
  delay(2); // Wait for 2 millisecond(s)
  
  // Low: 0 - 402
  // Medio: 403 - 510
  // High: mayor o igual 511
  
  
  if (sensorValue>=0 && sensorValue <=402)
  {
    //estado_Sensor=1;
    lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print("L"); 
  }
 
  if (sensorValue>=403 && sensorValue <=510)
  {
    //estado_Sensor=1;
    lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print("M"); 
  }
  
  if (sensorValue>=511)
  {
    //estado_Sensor=1;
    lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print("H"); 
  }
  
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
////  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
///  lcd.print(sensorValue);
  
 // lcd.setCursor(6, 1);
//  lcd.print(outputValue);
  
  
   
  
  
   //read the pushbutton value into a variable
  int sensorVal = digitalRead(7);
  //print out the value of the pushbutton
 // Serial.println(sensorVal);

  // Keep in mind the pullup means the pushbutton's
  // logic is inverted. It goes HIGH when it's open,
  // and LOW when it's pressed. Turn on pin 13 when the
  // button's pressed, and off when it's not:
  
  servo_9.write(0);
  
  if (sensorVal == LOW) 
  {
    //digitalWrite(13, LOW);
    servo_9.write(180);
    } 
  
  
  }