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Notice boards play a vital role mostly in educational institutions. The events, occasions or any news, which has to be passed to the students, will be written on the notice boards present in every floor in the colleges or schools. The present system is like, a person will be told the news and he has to update this news on all the notice boards present in the college or school. This will be seen mostly during the examination seasons.
The time table or the schedule of the exams has to be given to the students. This will be done by writing the details on the notice boards. But this process consumes a lot time to update the news on all the notice boards and there may be chances that the person responsible may commit some mistakes or he may be absent sometimes. So, this may create disturbances and the entire schedule may be disturbed. To avoid all these, Wireless Notice Board have been designed which completely eliminates the manual work.
This project uses the wireless communication, RF. The RF modules used here are 2.4 GHz UART. The RF transmitter will be present at the Principal or the person related to the issues to be displayed on the notice board. PC keyboard is used as the input device here in this project. Whenever the user wants to send the news updated to the notice board, he types that particular message using keyboard and the same data will be transmitted through RF transmitter.
At the receiving end, the RF receiver and will be fixed to the display panel. The receiver receives the data coming from the transmitter and the same data will be received by the microcontroller at the receiver end. The microcontroller sends this data to the display unit and thus the message given by the user at the transmitter end will be displayed.
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