Keyboard Lua API V3.01 Overview and Reference，基于Lua语言的键盘相关API参考手册，这方面资料很少，对于使用lua语言做软件测试方面有帮助-The Keyboard Lua API is a set of functions using the Lua programming language and provides advanced scr ipting functionality for gaming keyboards. Thi

This book is for developers who design and program devices that use the Universal Serial Bus (USB) interface. My goal is to introduce you to USB and to help you get your devices up and communicating as quickly and easily as possible. The USB

能够简单的实现单片机去控制计算器的功能，不同的键盘实现不同的功能-SCM can be simple to control the functions of the calculator, different keyboards for different functions