wifi module ch340 node mcu lua v3 lot with oled lcd and usb

ch340n 代理销售 沁恒/wch 原装 ch340 现货 可出样品 !

用ch340转串口,出现unknown device情况!急需大牛解决!谢谢!

ch340e ch340n升级板 usb转ttl 模块可以作为pro mini下载器

usb芯片 ch340n ch340n质量保证集成电路(ic)资料查看pdf/拍前询