自己制作 89S5X的编程器 最近有人问我编程器怎么做，一般的价格有几百到几千的。本人买不起，所以就自己做了一个，不过能写的芯片不是很多。-produce their own programming for 89S5X recently someone asked me how to do the programming device, general prices of a few hundred to several thousands. I can not afford to