led-light-sensor/work_led.py

from machine import Pin, PWM
import time
from machine import Timer

class WorckLed:
    def __init__(self, pin_num) -> None:
        self.led = Pin(pin_num, Pin.OUT)
        self.led.value(0)

        self.led = PWM(Pin(pin_num))
        self.led.freq(1000)
        self.led_status = 0
        self.led_blink_time = {'on': 40, 'off': 800}
        self.tim = Timer(1)
        self.led_on(None)
        
    def led_on(self, timer):
        self.led.duty(100)
        self.tim.init(period=self.led_blink_time['on'], mode=Timer.ONE_SHOT,
                      callback=self.led_off)

    def led_off(self, timer):
        self.led.duty(0)
        self.tim.init(period=self.led_blink_time['off'], mode=Timer.ONE_SHOT,
                      callback=self.led_on)


if __name__ == '__main__':
    WorckLed(2)