PASSWORD PROTECTED GSM BASED SENSOR STATUS MONITORING ALERT AND DEVICE CONTROL SYSTEM FOR HOME AND INDUSTRIES

Kailas, Sandeep.D.Bawage, Arati, Ashwini

Abstract: Security has become an important issue everywhere. Homes, industries, assets and vehicle security are becoming necessary nowadays as the possibilities of intrusion are increasing day by day. Conventional security systems keep home and industry owners and their property safe from intruders by giving the indication in terms of alarm. However, these are of no use when the owner is away from the place and industrial areas away from cities. Safety from accidental situations like leaking of toxic, inflammable gas and fire are the most important requirements of industrial and home security systems. The new and emerging concept of smart homes and security monitoring offers a comfortable, convenient, and safe environment. Monitoring remote sensors presents a unique set of challenges to remain cost effective, safe and secure with installations in all different types of environments and distances. Here, we have tried to increase these standards by combining new design techniques and developed a low cost automated home and industrial security monitoring and emergency alert systems. The design of simple hardware circuit enables every user to use this wireless home security system with IR Sensor, PIR sensor, Gas Leakage Sensor, Fire/Temp Sensor and Door/Window open sensors at Home & Industries. The sensors can be of domestic or industrial use. The system is controlled by the 8 bit P89S52 microcontroller. All the sensors and detector are interconnected to microcontroller by using various types of interface circuits. The microcontroller in this system will continuously monitor all the sensors and if it senses any emergency or security problem, the system will send the SMS to the user mobile through GSM modem. Here, GSM modem is used to send the SMS whenever there are changes are noticed in the protected environment. This system detects if any person is entering inside the house. This feature is helpful at night time or whenever we are out of our home. It also senses door-latch opening using a password entered through keypad. As well as sending this data to a GSM modem through serial port. This module also turns on buzzer if wrong passwords are entered. This instrument can also be used for remotely controlling industrial or domestic appliances by sending a SMS from any corner of the world. It turns ON and OFF the electrical appliances in home and industry based on SMS received from the user. This system lets you remotely control equipments by sending plain text messages consisting of a password and the control command in the form of simple bit pattern. Additionally, we have provided another feature of locally controlling the same devices also from a matrix keypad when the user is near this system. This feature avoids the unnecessary wastage of SMS messages when we are near the system i.e. at home or industry and can directly control devices. Any appliance or gadget which works on AC mains can be connected to this system.

Keywords: Embedded microcontroller, dual band GSM modem, modem interface and level converter, IR based intrusion sense system,door or window open sensor, fire(temperature)sensergas leakage senser, vibration senser,matrix keyboard LCD display unit, buzzer driver and buzzer, power supply

DOI: https://doi.org/10.15623/ijret.2015.0417012