led-light-sensor/main.py

import time
#from mywifi import my_wifi
from work_led import WorckLed

class Device():
    _instance = None
    # 单例模式：WiFi实例化只能有一次，实例化多个 mywifi 对象将始终返回同一个-
    def __new__(cls, *args, **kwargs):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
        return cls._instance   # 返回的是内存地址

    def __init__(self) -> None:
        print("device init")
        self.wled= WorckLed(2)


def main():    
    wled= WorckLed(2)
    

if __name__ == '__main__':
    main()