许多SL811都是英文版的，现在小弟有一个中文的，希望大家学习与斧正，SL811翻译，新手必看！-Many SL811 are in English, and now there is a Chinese brother, I hope you learn and treatise, SL811 translation, Xinshoubikan!

SL811 USB Board, STM32 chip_PDF & code & schematic

SL811做的USB-HOST的鼠标键盘驱动代码，是原厂自带的程序，。(SL811 do USB-HOST mouse, keyboard driver code, is the original factory comes with procedures,.)