**Button Status** rev_02

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    - Project: **Button Status**
    - Source Code NOT compiled for: Arduino Mega
    - Source Code created on: 2024-11-24 21:12:21

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* this    part,   your    Arduino board’s LCD */
    /* display will    appear  have    the */
    /* following       display when    no      button  is */
    /* being   pressed:  and     the     following */
    /* display when    any     button  is      being */
    /* pressed:  and     this    behavior */
    /* continues as    long    as      the     Arduino */
    /* runs */
/****** END SYSTEM REQUIREMENTS *****/


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/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <LiquidCrystal_I2C.h>  //https://github.com/marcoschwartz/LiquidCrystal_I2C

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF I2C PINS *****/
const uint8_t LCD_LCD1602I2C_I2C_PIN_SDA_D20        = 20;
const uint8_t LCD_LCD1602I2C_I2C_PIN_SCL_D21        = 21;
const uint8_t LCD_LCD1602I2C_I2C_SLAVE_ADDRESS      = 39;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create an instance of the LiquidCrystal_I2C class
LiquidCrystal_I2C lcd(LCD_LCD1602I2C_I2C_SLAVE_ADDRESS, 16, 2); // 16 columns and 2 rows

/****** BUTTON PINS *****/
const int buttonPin = 2; // Pin where the button is connected

void setup(void)
{
    // Initialize the LCD
    lcd.begin(16, 2); // Initialize the LCD with the number of columns and rows
    lcd.backlight(); // Turn on the backlight

    // Set the button pin as input
    pinMode(buttonPin, INPUT);

    // Display initial message
    lcd.print("No Button Pressed");
}

void loop(void)
{
    // Check if the button is pressed
    if (digitalRead(buttonPin) == HIGH) {
        lcd.clear(); // Clear the display
        lcd.print("Button Pressed"); // Display message when button is pressed
    } else {
        lcd.clear(); // Clear the display
        lcd.print("No Button Pressed"); // Display message when no button is pressed
    }

    delay(100); // Small delay to avoid flickering
}

/* END CODE */