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DVR College of Engineering and Technology

Internal Guide MANJIRI

Necessity is the mother of

Invention OVER VIEW

BLOCK DIAGRAM

HARDWARE REQUIREMENTS

TRANSFORMER

HARDWARE REQUIREMENTS

VOLTAGE REGULATOR

7805

HARDWARE REQUIREMENTS

MICROCONTROLLER AT89S52

HARDWARE REQUIREMENTS

MAX 232IC

HARDWARE REQUIREMENTS

44780 LCD BACKGROUND

HARDWARE REQUIREMENTS

GSM MODEM

HARDWARE REQUIREMENTS

DB9 CONNECTOR

SCHEMATIC DIAGRAM

SOFTWAREREQUIREMENTS

Programming

►Building Application

►Creating Application►Debugging an Application

► Compile ► Assemble Link►

Keil software(μVision2)

SOFTWAREREQUIREMENTS

CPU SimulationMemory mappingillegal memory accesses

source and assembly program or

just assembly code

Database selectionDisassembly Window

EMBEDDED C DEBUGGING

CONTINUITY TEST

HARDWARE TESTING

Short CircuitsImproper solderingComponent failuresBugs in the circuit diagram

12 v AC voltage check5V voltage check

POWER ON TEST

SMS Sent From mobile to the sim on GSM module

Seminars will be on 23/01/2013

Result

ResultDisplay on GSM module

ADVANTAGES

Wireless Systems

Text Can be Entered FromRemote Place

Data will not be lost in power failure condition

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APPLICATION

OfficesEducational institutionsBus stationsRailway stations

Other publicutility places

DIS-ADVANTAGES

Network Problem

CONCLUSIONHUGE DISPLAYS

Thank youQuestions

Answers