automation of load using mobile phone
TRANSCRIPT
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SAI SPURTHI INSTITUTE OF TECHNOLOGY (An ISO 9001:2011 Certified Institution & Accredited by NAAC-UGC) DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING
AUTOMATION OF LOAD USING MOBILE PHONE
MAIN PROJECT REVIEW
ON
PRESENTED BY:
CH.D.S.S.CHARAN (12C51A0214) J.RAVI (12C51A0224) B.VEERENDRA BABU (12C51A0211)
PROJECT GUIDE Mr.A.GOPI M.Tech (PE&ED)
PROJECT INCHARGE HEAD OF THE DEPTMr.V.ASHOK Mr.K.R.K.PRASAD M.Tech (PE&ED) M.Tech(PE)
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ABSTRACT This project demonstrates a novel method which enable users to control their home appliances and systems from remote using a cell phone-based interface. To access the control unit, the user should send an authentication code along with the required/desired function/action to his/her home control system via Global System for Mobile communication(GSM). Upon being properly authenticated, the cell phone-based interface at home (control unit) would relay the commands to a microcontroller that would perform the required function/action, and return a function completion code that would be sent to the source of the original command (user’s cell phone).
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BLOCK DIAGRAM
AT89S52
Micro Controlle
r
Display Unit
Power supply unit
GSMmodem
Relays
Appliances
RELAYDRIVER
Serial driver
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CIRCUIT DIAGRAM CIRCUIT DIAGRAM
POWER SUPPLY
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EQUIPMENTS
• Microcontroller based control system with regulated power supply
• Relay driver• Gsm module• Voltage regulator• mobile phone
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S.NO COMPONENT RANGE/TYPE QTY COST(RS/-)
1 Transformer 12-24 V 1 1002 LCD 5V(16X2) 1 1503 GSM 3.6-4.6(SIM900) 1 20004 7805 7- 35 V 2 305 7812 14-35 2 306 A989S52 4.5-5.5V 1 807 RELAYS 12V(SPDT) 6 2008 ULN2003 12-35V 1 259 CAPACITOR 1000 UF/25V 1 1010 CAPACITOR 10 UF/50V 5 3011 MAX232 4-5V 1 3012 DIODE IN4007 5 1013 LED 1.5-3.5V(5mm) 5 1014 40 Pin Base 1 2015 16 Pin Base 2 2016 dot pc board 4x4 4 20017 connectors 10 20018 Resistors 1k 10 2019 TOTAL 3165
COMPONENTS & COST
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RELAY :
•A relay is used to isolate one electrical circuit from another.
• It allows a low current control circuit to make or break an electrically isolated high current circuit path.
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GSM MODULEGSM is the most popular standard for mobile phones in the world. It is based on TDMA (time division multiple access) technology.
We are using the SIMCOM 900, a GSM modem . This is a powerful GSM/GPRS Terminal with self-contained unit.
This has standard connector interfaces and has an integral SIM card reader. The modem has a RJ9 connector through which a speaker and microphone can be connected allowing audio calls being established, but this feature is not utilized in this project as only data transfer is needed.
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CONCLUSION
Mobile phones have become an indispensable part of our life. Our system uses a controller and a cellular phone for its operations. The systems can be used as a test bed for any application that requires on-off switching based applications. Wireless controlled home appliances in the comforts of any environment will revolutionize our way of living. Controlling appliances remotely by a cell phone will one day become a reality and one should give thanks to the capabilities of HACS. HACS might one day become a standard system in the new homes to come.
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THANK YOU
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POWER SUPPLY