from machine import Pin
from utime import sleep
import neopixel
import random

num_pixels = 16  
pin = Pin(4, Pin.OUT)
np = neopixel.NeoPixel(pin, num_pixels)

def int_to_binary_string(num):
    binary_str = bin(num)[2:]  
    while len(binary_str) < 16: 
        binary_str = "0" + binary_str  
    return binary_str

def show_binary_leds():
    rand_num = random.randint(0, 255)  
    binary_str = int_to_binary_string(rand_num)  

    print("Generated Number:", rand_num)  
    print("Binary Value    :", binary_str)  

    for i in range(num_pixels):
        if binary_str[i] == '1':  
            np[i] = (0, 255, 0)  
        else:
            np[i] = (0, 0, 0)  
    np.write()  

while True:
    show_binary_leds()  
    sleep(2)