Interacting college mobile system

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Interacting college mobile system

  1. 1. INTERACTING COLLEGEMOBILE SYSTEM
  2. 2. OBJECTIVE To develop a interacting collegemobile system. Make new students easy to identifytheir class room. Any person entering the collegewithout having any knowledgeregarding branches, office room findthis project as the medium of
  3. 3. INTRODUCTION Interaction is based on GSM signalsof a mobile phone. DTMF signaling technique is utilised. A large LCD display is used for thesystem.
  4. 4. DTMF SIGNALS• Popular signaling method between telephones and switching centers• Also used for signaling between the Telephone network and computer networks• Transmitted over a telephone line• Uses speech frequency signals• Superposition of 2 sine waves with different frequencies
  5. 5. THE DTMF KEYPAD 1209 Hz 1336 Hz 1477 Hz697 Hz 1 2 3770 Hz 4 5 6852 Hz 7 8 9941 Hz * 0 #
  6. 6. DTMF GENERATION
  7. 7. Pin Diagram of AT89S52 Micro Controller
  8. 8.  MT8870 is used as DTMF decoder. LED’S are used for signalingpurpose. programming to themicrocontroller is done inEmbedded C language. Keil C software used forinterfacing the microcontroller.
  9. 9. WORKING MODEL RESULTS
  10. 10. MainDisplay JUST DIAL 9030000123 to INTERACT
  11. 11. Whentheoptionauditorium isselected
  12. 12. When the option LIBRARY is selected.
  13. 13. Future ScopeTransport systems likerailways.Multi-specialty hospitals.Multiplex theaters.
  14. 14. CONCLUSION A well interacting college mobile system have been developed. Reception counters at college campus can be reduced. One or more people can also interact at the same time.

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