Wireless Announcement System based on PIC Microcontroller and RF Modem

Paper Topic :

Expert approaches

Author Name :

Girish Patil, Ashish Bhopale, Mayur Tiwari, Gajanan Patil, Karan Belsare

Abstract :

This work proposes an effective approach towards the transmission of voice signal to multiple receivers with the help of digital switching technique using microcontroller and RF modem. There are various technologies available for the purpose of transmission and reception of voice signal, but they have poor selectivity of nodes, poor security of signals, require more power and are very costly. In the proposed approach, for better selectivity and better security of data, PIC microcontroller is used which provides features like automatic baud rate selection, inbuilt analog to digital converter and RF Modem is used which operates on 2.4 GHz frequency which supports multiple baud rates, simple and low cost wireless communication media with very low power consumption, sufficient range and low cost option for wireless voice transfer.

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