import utime
from machine import Pin,PWM
Led_R = PWM(Pin(4))
Led_G = PWM(Pin(3))
Led_B = PWM(Pin(2))
buzzer = PWM(Pin(12))
Led_R.freq(2000)
Led_G.freq(2000)
Led_B.freq(2000)
buzzer.duty_u16(1000)
if __name__ == '__main__':
while True:
buzzer.freq(750)
Led_R.duty_u16(0)
Led_G.duty_u16(0)
Led_B.duty_u16(65535)
utime.sleep_ms(230)
buzzer.freq(1550)
Led_R.duty_u16(65535)
Led_G.duty_u16(0)
Led_B.duty_u16(0)
utime.sleep_ms(100)