from machine import Pin
import time

# Kelas dasar LED
class LED:
    def __init__(self, pin, name="LED"):
        self.led = Pin(pin, Pin.OUT)
        self.name = name

    def on(self):
        self.led.value(1)

    def off(self):
        self.led.value(0)

    def blink(self, times=5, delay=0.5):
        for _ in range(times):
            self.on()
            time.sleep(delay)
            self.off()
            time.sleep(delay)

# Pewarisan: LED dengan pola kedipan berbeda
class BlinkingLED(LED):
    def __init__(self, pin, name="Blinking LED", fast=False):
        super().__init__(pin, name)
        self.fast = fast  

    def blink(self, times=5):
        delay = 0.2 if self.fast else 0.7  
        super().blink(times, delay)

# Membuat objek LED
led_red = LED(2, "Red LED")
led_green = BlinkingLED(4, "Green LED", fast=True)  
led_blue = BlinkingLED(5, "Blue LED", fast=False)  

# Menjalankan LED
led_red.on()
time.sleep(1)
led_red.off()

led_green.blink(3)
led_blue.blink(3)