vb基础代码，度分秒换算弧度，及弧度换算度分秒源代码-vb code base, DMS translation of curvature, and the curvature of the translation of the minutes and seconds source code

中文版的SAE J1939协议，翻译的也不错，学习很方便(Chinese version of SAE J1939 protocol, translation is good, easy to learn.)