print("Hello, LDR!")
print('Date: 30/11/2023')
print('Created by Muhei')

#Import libraries
from machine import Pin, ADC
from utime import sleep

#Declare Pin
LDR_pin = ADC (Pin(13, Pin.IN))

#Main Program
while True:
    analogue_value_LDR = LDR_pin.read()        #Analogue guna 'value', Digital guna 'read' klau convert guna 'ADC' (Analogue to Digital Converter)
    print(analogue_value_LDR)

    sleep(3)

    voltage_of_light_intensity = analogue_value_LDR / 4096 * 5;
    print('The voltage recorded based on the light intensity is', voltage_of_light_intensity, 'V')
    print('\n')

    if voltage_of_light_intensity <=2.5:
        led.off()
    elif 4 < voltage_of_light_intensity < 2.5:
        led1.on()
        led2.on()
        led3.on()
        led4.on()
    else:
        led1.on() 
        led2.on() 
        led3.on() 
        led4.on() 
        led5.on()