Construct NMEA packet in GPS module

GPS汽车卫星定位防盗系统，采用VB实现了对GPS模块的读写，和对短信猫的读写，以及被跟踪汽车的实时跟踪-GPS satellite positioning automobile anti-theft system, using VB realize the GPS module to read and write, and read and write SMS cats, as well as real-time tracking tracked vehicles

一个远程追踪系统,该系统使用STM32作为主控制器，GPS模块为定位接收机，GSM模块为远程通信工具和用MicroSD卡模块来存储定位数据和时间.-A remote tracking system, the system uses STM32 as the main controller, GPS module for the positioning receiver, GSM module for the remote communication tools and use MicroSD c

GPS 北斗软件资料 使用手册 原理图 单片机例程参考 调试工具(GPS BDS module test tools useing manuals examples)