// ---------------------------------------------------------------------------
// Migajaca dioda LED.
// ---------------------------------------------------------------------------

#include <Arduino.h>

#define LED1_PIN 10

void setup()
{
    pinMode(LED1_PIN, OUTPUT);
    digitalWrite(LED1_PIN, HIGH);
}

void loop()
{
    digitalWrite(LED1_PIN, LOW);
    delay(500);
    digitalWrite(LED1_PIN, HIGH);
    delay(500);
}


// ---------------------------------------------------------------------------
// Przycisk zapalajacy diode LED na 2 sekundy.
// ---------------------------------------------------------------------------

#include <Arduino.h>

#define LED1_PIN 10
#define SW1_PIN 4

void setup()
{
    pinMode(LED1_PIN, OUTPUT);
    pinMode(SW1_PIN, INPUT);
    digitalWrite(LED1_PIN, HIGH);
}

void loop()
{
    if (digitalRead(SW1_PIN) == LOW)
    {
        digitalWrite(LED1_PIN, LOW);
        delay(2000);
        digitalWrite(LED1_PIN, HIGH);
    }
}


// ---------------------------------------------------------------------------
// Przycisk zapalajacy i gaszacy diode LED.
// ---------------------------------------------------------------------------

#include <Arduino.h>

#define LED1_PIN 10
#define SW1_PIN 4

bool led_on = false;

void setup()
{
    pinMode(LED1_PIN, OUTPUT);
    pinMode(SW1_PIN, INPUT);
    digitalWrite(LED1_PIN, HIGH);
}

void loop()
{
    if (digitalRead(SW1_PIN) == LOW)
    {
        delay(10);
        while (digitalRead(SW1_PIN) == LOW)
            ;
        delay(10);

        if (led_on == true)
        {
            led_on = false;
            digitalWrite(LED1_PIN, HIGH);
        }
        else
        {
            led_on = true;
            digitalWrite(LED1_PIN, LOW);
        }
    }
}