from machine import Pin
from time import sleep
hieu = Pin (2, Pin.OUT)
for i in range (10):
hieu.on()
sleep(0.5)
hieu.off()
sleep(0.5)
print(i+1)
from machine import Pin
from time import sleep
hieu = Pin (2, Pin.OUT)
for i in range (10):
hieu.on()
sleep(0.5)
hieu.off()
sleep(0.5)
print(i+1)