const int Sensor = A0;
const float Temp_Ref = 20.0;

// include the library code:
#include <LiquidCrystal.h>

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

/*
byte customChar[] = {
  B00000,
  B01110,
  B10001,
  B10001,
  B10001,
  B01010,
  B11011,
  B00000
};
*/

/*byte customChar[] = {
  B00000,
  B01110,
  B01010,
  B01110,
  B00000,
  B00000,
  B00000,
  B00000
};
*/

byte customChar[] = {
  B01110,
  B10001,
  B10001,
  B10001,
  B01010,
  B01010,
  B11011,
  B00000
};

void setup() {
  pinMode(7, OUTPUT);
  Serial.begin(9600);
  lcd.createChar(0, customChar);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Ardu Ohmetro 2023");
   }

void loop() {
  
  lcd.setCursor(0, 1); // set the cursor to column 0, line 1
  int Valor_Sensor = analogRead(Sensor);
  int Valor_Sensor2 = analogRead(1);
  Serial.print("Valor del Sensor:");
  Serial.println(Valor_Sensor);
  Serial.println(Valor_Sensor2);
  float Tension=(Valor_Sensor/1024.0)*5.0;
  Serial.print("Voltaje:");
  Serial.println(Tension);
  Serial.print("Grados Celsius:");
  float Temperatura=(Tension-0.5)*100;
  Serial.println(Temperatura);
  lcd.print("S=");
  lcd.print(Valor_Sensor);
  lcd.setCursor(7, 1);
  lcd.print("T=");
  lcd.print(Temperatura);
  lcd.write(byte(0));
  lcd.print("C");
  if(Temperatura > 50){digitalWrite(7, 1);}  else{digitalWrite(7,0);}
  delay(2000);//delay para que el display muestre el mensaje
}