求翻译：介绍一种基于GSM、GPRS通信技术的家庭安防系统的工作原理及主要功能。该系统选择高性能的ARM7 STM32系列芯片（STM32F103RBT6）作为主控制器，控制人体热释电模块、带有彩信功能的GPRS无线模块和串口摄像头模块，通过人体热释电模块检测房间里是否有人活动，触发报警信号并向用户报警。本系统具有电话、短信、彩信等模式的报警功能；用户可通过红外遥控器近距离、手机短信远程设置报警模式。是什么意思？

Describes the working principle and the main function of the gsm, gprs communication technology-based home security system. The system to select high-performance the arm7 stm32 chips (stm32f103rbt6) as the main controller, the control of human pyroelectric module with MMS gprs wireless module and th

Based on a presentation GSM GPRS communications technology, the home security system works and the main feature. The system of choice for high-performance 7 ARM STM 32 series chips (103 RBT F STM 32 6) as the main controller, and control of human pyroelectric module, with MMS functionality of GPRS w

Introduced one kind based on GSM, the GPRS communication family guards against the system peacefully the principle of work and the main function.This system choice high performance ARM7 the STM32 series chip (STM32F103RBT6) took the master control regulator, controls the human body pyroelectric modu

Introduction of a home security system based on GSM, GPRS communication principles and key features. The system of selecting high-performance chip ARM7 series (STM32F103RBT6) as the primary controller, control human Pyroelectric module, with a MMS GPRS wireless modules and serial port camera module,

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