几个用C语言实现的程序滤波算法，对于单片机来说非常实用-Several programs using C language filtering algorithm is very useful for the MCU

单片机C语言编程的一些知识，供初学者参考。-Singlechip C language programming some of the knowledge, the reference for beginners.

avr单片机的c语言书籍，内容丰富，易懂，并且有很多历程，有助于单片机开发-avr microcontroller c language books, content-rich, easy-to-understand, and a lot of history, contribute to the development of single-chip