说明：  本书是一本嵌入式硬件设计的入门教材，主要是关于为嵌入式应用设计小型机器的书。会告诉你如何构建一个完整的嵌入式系统，如何向其添加外部设备，以及如何将你的系统与其他设备连接起来。
(the book is an embedded hardware design entry materials, primarily on the design for embedded applications on the small machines. Will tell you how to build a complete embedded system, how to add external devices, and how your system and other devices.)