import machine
import time
import random

# Define GPIO pins for the LEDs
led_pins = [17, 18, 22, 27, 26]  # GPIO pins for LEDs (adjust as needed)

# Set up each LED pin as an output
leds = []
for pin in led_pins:
    led = machine.Pin(pin, machine.Pin.OUT)
    leds.append(led)

# Function to turn on a random LED
def light_up_random_led():
    led = random.choice(leds)
    led.value(1)  # Turn on the selected LED

# Function to turn off all LEDs
def turn_off_all_leds():
    for led in leds:
        led.value(0)  # Turn off all LEDs

# Main loop: random blinking of LEDs
try:
    while True:
        # Randomly choose to light up one LED
        light_up_random_led()
        # Wait for a random time between 0.2 and 1 second
        time.sleep(random.uniform(0.2, .6))
        # Turn off all LEDs
        turn_off_all_leds()
        # Wait before next random blink
        time.sleep(random.uniform(0.2, .6))

except KeyboardInterrupt:
    print("Program stopped by user.")