import gc
import esp
from machine import Pin
 
esp.osdebug(None)
gc.collect()
 
led5 = Pin(5, Pin.OUT)
 
btn26 = Pin(26, Pin.IN, Pin.PULL_UP)
 
def btn26_handler(p):
    if btn26.value() != 1:        
        return
 
    led5.value(not led5.value())
 
btn26.irq(trigger=Pin.IRQ_RISING | Pin.IRQ_FALLING, handler=btn26_handler)