Simplified LCD Breakout Board for Arduino

1/*
2 * Project Name: Simplified LCD Breakout Board for Arduino
3 * 
4 * License: GPL3+
5 * This project is licensed under the GNU General Public License v3.0 or later.
6 * You are free to use, modify, and distribute this software under the terms
7 * of the GPL, as long as you preserve the original license and credit the original
8 * author. For more details, see <https://www.gnu.org/licenses/gpl-3.0.en.html>.
9 * 
10 *
11 * Copyright (C) 2024  Ameya Angadi
12 *
13 *
14 * Code Created By: Ameya Angadi
15 * Last Modified On: August 25, 2024
16 * Version: 1.0
17 *
18 */
19
20
21
22#include <LiquidCrystal.h>
23
24// Pin configuration for the LCD Breakout Board
25const int RS = 12, E = 11, D4 = 5, D5 = 4, D6 = 3, D7 = 2;
26
27// Initialize the LiquidCrystal object with the defined pin numbers
28LiquidCrystal LCD(RS, E, D4, D5, D6, D7);
29
30// Variable to indicate if the test has been completed
31int test = 0;
32
33void setup() {
34  // Initialize The LCD with 16 columns and 2 rows
35  LCD.begin(16, 2);
36
37  // Display the initial loading screen before starting the test
38  LCD.print("LCD Custom Board");
39  delay(750);
40  LCD.setCursor(0, 1);
41  LCD.print("Loading");
42  for (int a = 0; a < 3; a++) {
43    delay(750);
44    LCD.print(".");
45  }
46  delay(500);
47  LCD.clear();  // Clear the LCD after the loading screen
48}
49
50void loop() {
51  // Loop to create a scrolling effect that turns on all character positions (pixels) on the LCD.
52  for (int i = 0; i <= 31; i++) {
53
54    // Exit the loop if the test has already been completed
55    if (test == 1) {
56      break;
57    }
58
59    // Set the cursor and print a solid block character to check all the character positions (pixels) on the LCD.
60    LCD.setCursor(i, 0);
61    delay(200);
62    LCD.print((char)255);  // Print a solid block character.
63
64    // Start printing on the second line if the cursor moves past the 16th position
65    if (i > 15) {
66      LCD.setCursor(i - 16, 1);
67      LCD.print((char)255);
68
69      // If the end of the second line is reached, indicate that the test is completed
70      if (i == 31) {
71        delay(2000);
72        LCD.clear();
73        delay(200);
74        LCD.setCursor(0, 0);
75        LCD.print("Test Completed");
76      }
77    }
78  }
79
80  test = 1;  // Set 'test' to 1 to indicate the test is completed
81  delay(3000);
82
83  // Clear the LCD to display the credits
84  LCD.clear();
85  LCD.setCursor(0, 0);
86  LCD.print("Designed by-");
87  LCD.setCursor(0, 1);
88  LCD.print("Ameya Angadi");
89}