|Table of Contents|

GSM Based Wireless Alarm System for Smart Lock Cylinder(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2014年01期
Page:
22-28
Research Field:
Publishing date:

Info

Title:
GSM Based Wireless Alarm System for Smart Lock Cylinder
Author(s):
Guo Chen; Sun Xiaodong; Fang Dawei; Ma Qingyu
School of Physics and Technology,Nanjing Normal University,Nanjing 210023,China
Keywords:
315 MHz wireless transceiver; GSM AT control technology; microcontroller; smart lock cylinder; wireless alarm
PACS:
TP399
DOI:
-
Abstract:
Based on the coded address and 315 MHz wireless transceiver of the smart lock cylinder,a wireless alarm system is designed using the STC12LE5A60S2 microcontroller and GSM SIM900A module.With the sketch maps of hardware and the flowcharts of software,the principle of the system is introduced in detail and the key techniques are clearly elaborated for wireless transceiver,GSM AT control and data management.It is verified by the experimental results that the addresses of lock cylinders can be matched and the numbers of alarm calls can be preset.The real time alarm information of the wireless signals transmitted from the electrical lock cylinder can be collected in the range within a radius of 20 m under the conditions of no barrier.Real time GSM alarm can be sent accomplished as phone call or SMS to the preset mobile.The received alarm can be saved in EEPROM for further record data inquiry and database processing.The designed GSM based wireless alarm system for smart lock cylinder can be widely used in a company or family as a local security technology.

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Last Update: 2014-03-31