64x8 matrix essays and research papers

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GSM based Wireless Notice Board
2. 2 BACKGROUND The use of scrolling display boards for advertisement is becoming common nowadays at various shops, shopping centers, railway and bus stations and other such places. It is becoming an efficient mode for communicating with the general public and providing them information. The problem with such displays is when frequent updating of the messages is required. It becomes inflexible, time consuming and a technician must go compared to that location of display..
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