GOVT.ENGINEERING COLLEGE

WAYANAD

MINI PROJECT

Group 10

Dept. of Electrical & Electronics Engineering

Submitted by:

VIJEETH V A

ASWATHI C

SRUTHY K JAYAN

REJEESHMA P V

Guided by:

Ms.ANGITHA SREENIVASAN

GSM BASED

wireless ELECTRONIC NOTICE BOARD

1. IMPLEMENTATION

2.INTRODUCTION

3. TECHNICAL DETAILS

3. CONCLUSION

Analyze the aim of the project and determined the

solution.

Designed the circuit diagram and program .

Purchased the components required.

Designed and made circuit in control board.

Checked the various requirements.

Finally implemented the project.

IMPLEMENTATION

A brief description

Block Diagram

Methodology

• This project is an implementation to the idea of the

wireless communication between a mobile phone

and a microcontroller.

• It uses:

a) A message display, which will be used as the

digital notice board

b) A GSM modem, which is the latest technology

used for communication between the mobile and

the embedded devices.

c) Microcontroller, PIC16F877a

User wants to display a message

User sends the message in his mobile defining the messages to the number of

the subscriber identity module (SIM) which is inserted in the display system

MODEM.

The GSM modem receives the SMS. The AT commands are serially transferred to

the modem through MAX232.

The microcontroller will read the message and verify for the Validity, if it is correct then it will start displaying the

messages in the display system

TECHNICAL DETAILS

Main Circuit diagram

CIRCUIT DIAGRAM

CONCLUSIONS

Application

Advantages

Limitations

Feature enhancement

summery

APPLICATION OF THE PROJECT

• Banks

• Effective traffic control

• Advertisements

• Education sector

• Information exchange

• Stock exchanges

Low cost

Flexible

Low power consumption

Data can be entered from remote place

Wireless system

Data will not be lost in power failure conditions

It automatically delete the SMS on the arrival of new

SMS

ADVANTAGES

LIMITATIONS

We failed to display the messages based on

it’s priority.

During network problem project will not work

effectively.

We can’t display the messages on LCD

screen.

FUTURE ENHANCEMENTA commercial model can be able to display

more than one messages at time.

By including priority condition we can

enhance the project.

Robots can be controlled in a similar fashion

by sending commands to the robots.

LED display can be used instead of LCD

display.

The display boards are one of the major communications

medium for mass media.

Local language can be added as a variation in this

project. This can be achieved by using graphics and

other decoding techniques. Also we realize that this

project saves time, energy and hence environment. Cost

of printing and photocopying is also reduced as

information can be given to a large number of people

from our fingertips.

Thus we can conclude that this project is just a start, an

idea to make use of GSM in communications to a next

level

SUMMARY

Thank you