from machine import Pin
import time
CLK=Pin(16, Pin.OUT, value=0 )
cycle=0
while True:
    # Clock LOW
    CLK.value(0)
    print(f"Cycle {cycle}: CLK = {CLK.value()} (LOW)")
    time.sleep(1.0)  # 1 second delay

    # Rising edge (HIGH)
    CLK.value(1)   # D is captured here
    print(f"Cycle {cycle}: CLK = {CLK.value()} (HIGH)")
    time.sleep(1.0)  # 1 second delay

    # Back to LOW
    CLK.value(0)
    print(f"Cycle {cycle}: CLK = {CLK.value()} (LOW)")
    time.sleep(1.0)  # 1 second delay

    cycle += 1