import time
from machine import Pin
from machine import freq
freq(80000000)

pin_button = Pin(2, Pin.IN, Pin.PULL_UP)
pin_led = Pin(15, Pin.OUT)

count = 0
start = time.ticks_us()

while time.ticks_diff(time.ticks_us(), start) < 1_000_000:
    if pin_button.value() == 0:
        pin_led.on()
    else:
        pin_led.off()
    count += 1

print("Boucles par seconde :", count)
print("Temps par boucle (us) :", 1_000_000 / count)