Abstract:
The
main aim of the project will be to design a SMS driven automatic display
toolkit which can replace the currently used programmable electronic display.
It is proposed to design receive cum display toolkit which can be programmed
from an authorized mobile phone. The message to be displayed is sent through a
SMS from an authorized transmitter. The toolkit receives the SMS, validates the
sending Mobile Identification Number (MIN) and displays the desired information
after necessary code conversion. The system is made efficient by using ‘clone’
SIMs of same MIN in a geographical area so that the same SMS can be received by
number of display boards in a locality using techniques of time division
multiple access. Started of as an instantaneous News display unit, we have
improved upon it and tried to take advantage of the computing capabilities of
microcontroller. We envision a toolkit that will not only display message but
also can be used to do some mechanical work. Looking into current trend of
information transfer in the campus, it is seen that important notice take time
to be displayed in the notice boards. This latency is not expected in most of
the cases and must be avoided. It is proposed to implement this project at the
institute level. It is proposed to place display boards in major access points.
The electronics displays which are currently used are programmable displays
which need to be reprogrammed each time. This makes it inefficient for
immediate information transfer, and thus the display board looses its
importance. The GSM based display toolkit can be used as a add-on to these
display boards and make it truly wireless. The display board programs itself
with the help of the incoming SMS with proper validation. Such a system proves
to be helpful for immediate information transfer
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