Reddit LCD custom chars v2.0

/*
October 11, 2019
This is a demonstration of how to make custom characters for a 16x2 LCD on an Arduino (Uno).

*/
#include <LiquidCrystal.h>
int Vpin = 0;
float voltaje;
float V;
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);  // pines RS, E, D4, D5, D6, D7 de modulo 1602A
//custom character https://lastminuteengineers.com/arduino-1602-character-lcd-tutorial/
/*
  byte DIV_0_OF_5[8] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
  }; // 0 / 5

  byte DIV_1_OF_5[8] = {
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000
  }; // 1 / 5

  byte DIV_2_OF_5[8] = {
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000
  }; // 2 / 5

  byte DIV_3_OF_5[8] = {
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100
  }; // 3 / 5

  byte DIV_4_OF_5[8] = {
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110
  }; // 4 / 5

  byte DIV_5_OF_5[8] = {
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111
  }; // 5 / 5
*/

// The Arduino pages say to prefix a byte value declaration with capital B,
// but many other places use 0b (zero & b) instead?
// The capital B seems to be an Arduino-specific instruction.
// The sketches I have used (that worked) always used 0b ...
byte DIV_0_OF_5[8] = {
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000
}; // 0 / 5

byte DIV_1_OF_5[8] = {
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000,
  0b10000
}; // 1 / 5

byte DIV_2_OF_5[8] = {
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000,
  0b11000
}; // 2 / 5

byte DIV_3_OF_5[8] = {
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100,
  0b11100
}; // 3 / 5

byte DIV_4_OF_5[8] = {
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110,
  0b11110
}; // 4 / 5

byte DIV_5_OF_5[8] = {
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111
}; // 5 / 5




/**
   Fonction de configuration de l'écran LCD pour la barre de progression.
   Utilise les caractéres personnalisés de 0 à 5 (6 et 7 restent disponibles).
*/

// You can use the function below, but it must be called in setup() after the lcd.begin() call.
void setup_progressbar() {

  /* Enregistre les caractères personnalisés dans la mémoire de l'écran LCD */
  lcd.createChar(0, DIV_0_OF_5);
  lcd.createChar(1, DIV_1_OF_5);
  lcd.createChar(2, DIV_2_OF_5);
  lcd.createChar(3, DIV_3_OF_5);
  lcd.createChar(4, DIV_4_OF_5);
  lcd.createChar(5, DIV_5_OF_5);
}


void setup() {
  lcd.begin(16, 2);     // inicializa a display de 16 columnas y 2 lineas
  lcd.clear(); // to clear any possible random chars from starting up
  setup_progressbar();
}

void loop() {

  lcd.setCursor(0, 0);
  lcd.write(byte(0)); // This line is how to write one of the custom characters.
  lcd.write(byte(1));
  lcd.write(byte(2));
  lcd.write(byte(3));
  lcd.write(byte(4));
  lcd.write(byte(5));

  lcd.setCursor(0, 1);
  lcd.write(byte(5));
  lcd.write(byte(4));
  lcd.write(byte(3));
  lcd.write(byte(2));
  lcd.write(byte(1));
  lcd.write(byte(0));

  delay(3000);

  lcd.clear();

  delay(1000);

  // Below is commented out just for testing the custom chars.
  /*
    voltaje = analogRead (Vpin);
    V = voltaje / 1024 * 5.0;
    lcd.print("SondaV= ");
    lcd.print(V);
    delay(500);
    lcd.clear();
  */
}




// ~~~~~~~~ the end ~~~~~~~~~