from machine import Pin
import time

# Set up the onboard LED (GPIO 25 on Raspberry Pi Pico)
led = Pin(0, Pin.OUT)

# Counter for cycles
cycle_count = 0
blink_duration = 1  # Initial blink duration (1 second ON/OFF)

# Main loop
while True:
    # Turn LED ON
    led.value(1)  # LED ON
    time.sleep(blink_duration)  # Wait for the current blink duration
    
    # Turn LED OFF
    led.value(0)  # LED OFF
    time.sleep(blink_duration)  # Wait for the current blink duration
    
    # Increment the cycle count
    cycle_count += 1
    
    # Every 5 cycles, increase the blink duration by 1 second
    if cycle_count % 5 == 0:
        blink_duration += 1  # Increase the blink duration after every 5 cycles