利用ARM与Gsm模块相连接，实现车载系统对于车主的警报-The use of ARM and Gsm module linked to the achievement of car alarm system for car owners

短信的发送需要GSM模块和处理器协作完成，GSM模块与ARM处理器通过串口连接，处理器向串口发送接收AT命令与GSM模块形成通信回路。中文短信的发送采用PDU模式，根据PDU模式标准形成PDU发送包，实现短信发送。本文根据无线电话项目的短信发送模块的实现开发流程编写-Send text messages need to GSM module and processor collaboration, GSM module and the ARM processor through the seri

GSM/GPRS TTL -Modem from rhydoLABZ is built with SIMCOM Make SIM900 Quad-band GSM/GPRS engine, works on frequencies 850 MHz, 900 MHz, 1800 MHz and 1900 MHz. It is very compact in size and easy to use as plug in GSM Modem. The Modem is designed wi