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WK403 www.WineYard.in DESIGN AND DEVELOPMENT OF ACTIVATION AND CONTROLLING OF HOME AUTOMATION SYSTEM VIA SMS THROUGH MICROCONTROLLER TECHNICAL SPECIFICATIONS: : Design and development of Activation and Controlling of Home Automation System via SMS Through microcontroller. Domain : Embedded Systems Design, Electrical Software : Embedded C, Keil, Proload Microcontroller : AT89S52 Power Supply : +5V, 500mA Regulated Power Supply Display : LED 5mm, 16 X 2 LCD Crystal : 11.0592MHz Communication Device : GSM Modem Applications : Electricity Boards, Power Stations Developed By : M/S Wine Yard Technologies Phone : 040-64646363, www.WineYard.in Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 Title of the project WK403 www.WineYard.in ABSTRACT: Nowadays there are various electronic equipment available for remote operation of grid control. However, the main disadvantage of these systems is that they can be operated only from short ranges and also less reliable. Thus, to overcome the above drawbacks, we are using one of the wireless communication technique i.e., GSM (Global has rapidly gained acceptance and market share worldwide. The development of GSM is the first step towards a true personal communication system that will allow us to communication anywhere, anytime and with anyone. GSM (Global Systems for Mobile Communication) is vastly used because of its simplicity in both transmitter and receiver design, can operate at 900 or 1800MHZ band, faster , more reliable and globally network . This project is designed for seven power grids. AT89S52 is the heart of the project. A GSM modem is interfaced to microcontroller. This modem receives the messages from control mobile and sends as input to MCU. The MCU verify for authentication of the number and, if the number is authorized, grid control will be taken place, EEPROM is interfaced to this controller to save the grid position at every instant. This grid position information will not be deleted even in power failure conditions. 3X4 keypad is interfaced to change the mobile number at any time. 16X2 LCD is interfaced to display user-required information. In this project TRAIC is used as load controller (as a switch), MOC3021 used as a Triac driver. GSM network operators have roaming facilities, user can often continue to use there mobile phones when they travel to other countries etc…. Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 System for Mobile communications) is a digital cellular communications system which WK403 www.WineYard.in This project uses regulated 5v, 750mA power supply. 7805 and 7812 three terminal voltage regulators are used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac output of secondary of 230/12v step down www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 transformer. Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 WK403 www.WineYard.in BLOCK DIAGRAM: GSM Modem 16X2 LCD MAX232 Load 1 8 9 S 5 2 Crystal Load 2 TRAIC DRIVER Load 3 Load 4 RESET I2C Protocol EEPROM Key Pad Step down T/F Bridge Rectifier Filter Circuit Regulator Power supply to all sections Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 Contrast Control WK403 www.WineYard.in System can be monitored and controlled from any where Mobile number can be changed at any time Grid status will not be lost in power failure condition Scopes for Advancements: This system is developed for mobile reporting application only. It also can be interfaced to computer system to record and process data base. Applications: Process Industries, Power Grids Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 Advantages: WK403 www.WineYard.in REFERENCE Text Books: Working with GSM Network By Cruis Leanardo Website: www.howstuffworks.com www.answers.com www.radiotronix.com www.WineYard.in Magazines: Electronics for you Electrikindia Let us Go Wireless Hyderabad: Tarakarama Estates, 2nd Left Lane – Opp. RS Brothers, Ameerpet, Hyderabad-500073 www.WineYard.in Ph.: 040-6464 6363, 6625 6695, 888 5555 212 Power Grid Control and Applications with GSM By Morris Hamington