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

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