import time
from machine import I2C,SoftI2C,Pin,RTC
time.sleep(0.1) # Wait for USB to become ready

#print("Hello, Pi Pico!")

# Function to check if a number is prime
def is_prime(n):
    if n <= 1:
        return False
    if n <= 3:
        return True
    if n % 2 == 0 or n % 3 == 0:
        return False 
    i = 5
    while i * i <= n:
        if n % i == 0 or n % (i + 2) == 0:
            return False
        i += 6
    return True

# Function to convert a number to binary and light up LEDs accordingly
def light_leds(number):
    binary = bin(number)[2:]  # Convert number to binary string
    length = len(binary)
    for i in range(8):
        if i < length and binary[length - 1 - i] == '1':
            # Light up LED corresponding to 1 bit
            # Assuming LED 0 is the leftmost LED
            # You may need to adjust the pin numbers based on your hardware setup
            led_pin[i].on()
        else:
            led_pin[i].off()

# Set up LED pins
# Replace these pin numbers with the actual pins connected to your LEDs
led_pin = [Pin(0, Pin.OUT), Pin(1, Pin.OUT), Pin(2, Pin.OUT), Pin(3, Pin.OUT), 
           Pin(7, Pin.OUT), Pin(9, Pin.OUT), Pin(10, Pin.OUT), Pin(11, Pin.OUT)]

# Main loop to scan through numbers and detect primes
for num in range(2, 62):
    if is_prime(num):
        light_leds(num)
        time.sleep(1)  # Optional delay to see the LEDs lighting up


#make sure to del comments