说明：  这是我根据很多资料汇总，修改并在真实电路板上实验过的代码，保证正确无误，如有雷同，纯属巧合，需要实物可以与我联系
(This is I according to many data summary, modify and experiments in the real circuit board code, ensure the correct, any similarity is purely coincidental, real need can contact me)