AT89S52 based on the GSM security system I recently broke a AT89S52 of GSM based security systems, originally thought of starting from a novice to do this when looking for the basic reference case are read. So I do this project, put it selflessly to the party. Want to help friends who are interested. This is a set of finished product, which has documentation, 99SE schematic and PCB, have a complete code. Need to point out here is that, because I alone in doing this project, many places are not quite perfect. The program has been achieved alarm occurred, and then send text messages to the destination GSM number, and then issued by the goal of returning to the corresponding control messages to control. Please see attachment for more documentation inside

AT89S52-GSM-Final\AT89S52单片机的安防系统硬件接线图.doc
.................\smart_home.ddb
.................\代码\at24c02.c
.................\....\at24c02.h
.................\....\delayms.asm
.................\....\delayms.h
.................\....\gsm-at.c
.................\....\gsm-at.h
.................\....\gsm-code.hex
.................\....\gsm-code.Opt
.................\....\gsm-code.plg
.................\....\gsm-code.Uv2
.................\....\key.c
.................\....\key.h
.................\....\lcd.c
.................\....\lcd.h
.................\....\main.c
.................\....\security.c
.................\....\test.c
.................\基于AT89S52单片机的安防系统.doc
.................\该项目明确说明.txt
.................\代码
AT89S52-GSM-Final

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