GPRS-GPS车载机控制源码，使用SIM300模块，有短消息发送、接收，TCP、UDP连接控制源代码。,GPRS-GPS Vehicle Control source, use SIM300 module, there is a short message to send, receive, TCP, UDP connections to control the source code.

GSM SIM300 Modem interface with 16F877A & Display SMS over 16x2 LCD code written in ccs.