# Importe os módulos necessários
import machine
import time

# Defina os pinos
PIN_SENSOR = 2
PIN_BUZZER = 5
PIN_LED = 4

# Configuração dos pinos
machine.Pin(PIN_SENSOR, machine.Pin.IN)
machine.Pin(PIN_BUZZER, machine.Pin.OUT)
machine.Pin(PIN_LED, machine.Pin.OUT)

def play_tone(frequency, duration_ms):
    machine.freq(160000000)  # Ajuste a frequência do clock para 160 MHz
    buzzer = machine.PWM(machine.Pin(PIN_BUZZER))
    buzzer.freq(frequency)
    buzzer.duty(512)  # Ajuste o volume (0-1023)
    time.sleep_ms(duration_ms)
    buzzer.deinit()

while True:
    movimento = machine.Pin(PIN_SENSOR).value()
    if movimento:
        play_tone(523, 2000)  # Toca o tom C5 (523 Hz)
        machine.Pin(PIN_LED).on()
        time.sleep_ms(500)
        machine.Pin(PIN_LED).off()
        time.sleep_ms(500)
        play_tone(523, 2000)  # Toca o tom C5 (523 Hz) novamente
        machine.Pin(PIN_LED).on()
        time.sleep_ms(500)
    else:
        machine.Pin(PIN_BUZZER).off()
        machine.Pin(PIN_LED).off()