from machine import Pin, PWM
from time import sleep_ms, ticks_ms

ledV = Pin(23, Pin.OUT)
ledA = Pin(22, Pin.OUT)

uiuiu = PWM(Pin(27))

bot = Pin(19, Pin.IN, Pin.PULL_DOWN)

def uiuiuativa(x):
    if x == 1:
        #ligar o uiuiu
        uiuiu.duty_u16(8000)
    else:
        # desligar o uiuiu
        uiuiu.duty_u16(0)

uiuiu.freq(440)

ultPisca = ticks_ms()

while True:
    if ticks_ms() - ultPisca >= 500:
        if ledA.value() == 1:
            ledA.off()
            ledV.on()
        else: 
            ledA.on()
            ledV.off()
        ultPisca = ticks_ms()
    
    
    if bot.value() == 1:
        uiuiuativa(1)
    else:
        uiuiuativa(0)