Relay Control rev_01

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    - Project: Relay Control
    - Source Code NOT compiled for: Arduino Mega
    - Source Code created on: 2024-10-16 14:24:56

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* PIN 28 Relais, PIN 30 Taster. Schreiben einen Code */
    /* dass wenn ich den Taster das erste mal betätige */
    /* das relais einmal schaltet und bleibt, wenn ich */
    /* das zweite mal drücke soll dass Relais erst nach 2 */
    /* Sekunden schalten und warten bis ich das nächste */
    /* mal */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> // https://github.com/evert-arias/EasyButton

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t RELAY_PIN = 28; // Pin for the relay
const uint8_t BUTTON_PIN = 30; // Pin for the button

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Instance of the button using the EasyButton library.
EasyButton button(BUTTON_PIN); // Initialize the EasyButton object with the defined button pin

// State variable to track the relay status
bool relayState = false; // Relay is initially off
bool firstPress = true; // Variable to track if it's the first press

void setup(void)
{
    // Set the relay pin as output
    pinMode(RELAY_PIN, OUTPUT);
    digitalWrite(RELAY_PIN, LOW); // Ensure relay is off initially

    // Set the button pin as input with pull-up resistor
    pinMode(BUTTON_PIN, INPUT_PULLUP);

    // Initialize the button.
    button.begin();
}

void loop(void)
{
    // Continuously read the status of the button.
    button.read();

    // Check if the button was pressed
    if (button.wasPressed()) {
        if (firstPress) {
            // If it's the first press, turn on the relay
            digitalWrite(RELAY_PIN, HIGH); // Turn on the relay
            relayState = true; // Update the relay state
            firstPress = false; // Change state to indicate first press is done
        } else {
            // If it's the second press, wait for 2 seconds before turning it off
            delay(2000); // Wait for 2 seconds
            digitalWrite(RELAY_PIN, LOW); // Turn off the relay
            relayState = false; // Update the relay state
            firstPress = true; // Reset for the next cycle
        }
    }
}

/* END CODE */