ISP下载线制作用的原理图，配合isp_design源代码一起使用，可以自己动手快速设计AVR下载线。-ISP download cable making use of the schematic diagram, used in conjunction with the isp_design source code, you can quickly design yourself AVR download cable.

hex文件是由k软件开发出来的二进制源代码，有时候不能直接应用于烧写器的bin文件,怎么有hex转bin这篇文档就是最好的说明。-hex file by k software developed binary source code, and sometimes can not be directly applied to the writer of the bin file, how hex to bin this document is the best descr iption.