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���������+"+"{"{"{"D�����"�"�"�?#<{#$�"�=��#�#�#�#�#~$~$~$/=1=1=1=1=1=1=$N@��B�U={"~$z$~$~$~$U=+"+"�#�#�j=(((~$�+"8�#{"�#/=(~$/=((��8�c"#;�#�����������"&~?:=�=0�=W:�rC�'|rC0#;#;�rC{"�;X~$~$(~$~$~$~$~$U=U=(~$~$~$�=~$~$~$~$��������������������������������������������������������������������rC~$~$~$~$~$~$~$~$~$�	� :	Digital Notice Board Using Web Page 
Chaitali Kakde[1], Ayachi Verma[2], Sonal Wakode[3], Mayuri Borkar[4]
Department Electronics and Telecommunication Engineering1,2,3,4
Datta Meghe Institute of Engineering technology &Research1,2,3,4
Chaitalikakde210@gmail.com[1],ayachiv@gmail.com[2],sonalwakode26@gmail.com[3],mayuriborkar999@gmail.com[4]

 

Abstract: Notice boards are mainly used in educational organization,  public utility places like railway stations etc., But sending various notices day to day is a lengthy process. A man  is required to take care of this notices.  This paper deals with advanced notice board. Our projected system will enable our main aim is to reduce paper work and time. In this paper we are trying to implement our system in such a way that it can display message from authorized user sends to  module 

Keywords� Digital signage, Raspberry Pi 3 Model B, Screenly
 Introduction 
The main aim of this project is to design and develop a web based digital notice board for displaying the notices for staff, students and visitor. The world is going mobile and we wish to control everything and without moving an inch, notice board need to have wireless access. The project objective is to design a notice board which will fulfill requirements like less manual operation, same notice can be displayed at the various places and at the same time, compact and compatible, easy handling.
Notice Boards are an important medium for displaying information and keeping people aware. The traditional notice boards involve the pinning up of printed or handwritten information on a board.�The digital�electronics notice board is quick alternative than the normal type of notice board. This idea can display numerous notices at a time to the number of user. This idea with an aim to expand the usability of electronic notice boards, deals with wireless reception and display of notices using Raspberry Pi3.Notice board is a�thing that�can be used in multiple places like any institution or public utility places. The way to digitize the notice board is necessary because traditional notice board required, separate person for pinning or sticking notices on the board and wastage of paper printer-ink etc. 
literature of review
1)Jadhav Vinod , 2 Nagwanshi Tejas , 3 Patil Yogesh, 4 Patil Deepak.,�Digital Notice Board Using Raspberry Pi� IJCAT - International Journal of Computing and Technology, Volume 3, Issue 2, February 2016��PP 87-91
�	The project is built around ARM controller raspberry-pi which is heart of the system. Display is obtained on projector. A Wi-Fi is using for Data transmission. At any time we can add or remove or alter the text according to our requirement.�At transmitter official PC is used for transfering the notices. At receiving end Wi-Fi is�linked to raspberry pi. When an certified user sends a notice from their arrangement it is received by recipient. Wireless is a well-liked technology that allow an electronic device to exchange data wirelessly over a computer network, as well as high speed wireless connections. The data is acknowledged from authenticated user. Then it sends to arm 11 so as to is raspberry pi. [1]

2)Avhad Jyoti S., Bhavar Vedika S, Chavhan Sneha K, Dhole Tushar R & Prof. Kapadnis Jagdish Y,�Real Time Digital Notice Board On Cloud Platform��Imperial journal of interdisciplinary research(IJIR), vol 2,issue 4,2016. pp 332-335�
This deals with advanced notice board. proposed system will enable people to wireless transmit notices on a notice board using Blue tooth with smart phone and users get auto notification using parse cloud. Its operation is based on micro controller ATMEGA 328P Programmed in C language. When the user sends notice via registered smart phone simultaneously that message will get display on the notice board and also through the parse cloud other users get auto notification on their smart phone.
������������They have developed following prototype model. It consists of aurdino board, controller AT mega 328P, Blue tooth .mobile phone and LCD display board. LCD display board is used for testing the proposed model. The interfacing of a aurdino board with mobile phone is quite easy with help of the terminal pin, read/write pin .Hence they employ Atmel ATmega328p microcontroller. The complexity of coding of our proposed system is less��as compared with PC, but once programmed the micro controller works at its best. The design procedure involves identifying the different components and assembling all of them and it makes proper communication. Then coding process has to be done, which has to take care of the difference between two successive communications and most important of authentication of the senders number.�

Methodology
Digital notice board system is implemented using existing digital signage technology. We use open source application Screenly for Digital Signage and the Raspberry Pi 3 Model B as client. The implementation of this system consists of a few processes.
 Specification
Based on the planned requirements, we derived the specifications of the new digital signage system. The new system must have a better performance than the previous digital signage system with additional features that will be fulfilled as follows.
a. Client is able to run video without lag.
b. System is able to provide other features system, such as: text, picture, date and time, and web page.
c. System is able to run android  application service which provides ability to update displayed information through app.
d. System can be implemented both in local network and Internet.
Design
A. Hardware
The digital notice board system hardware consists of two subsystems, which are server and clients. Server is a raspberry pi3 that uses a web based application to control scheduling and contents that will be displayed in clients. Clients are screens(LCD) to display the desired contents. Only one server need to control multiple clients.
1) Server
2)client

B. Software 
Open source � Screenly App 
Open source software is software with source code that anyone can inspect, modify, and enhance.
"Source code" is the part of software that most computer users don't ever see; it's the code computer programmers can manipulate to change how a piece of software�a "program" or "application"�works. Programmers who have access to a computer program's source code can improve that program by adding features to it or fixing parts that don't always work correctly.
CONCLUSION
Digital�notice board using WI-FI is a collaboration of software and hardware through which cost of the complexity reduces, even system size and cost also reduces. This project saves time, energy and hence environment. Cost of printing and photocopying is also reduced as information can be given to large no. of people from our fingertips using android application. Thus raspberry-pi3 being a small yet powerful device can work efficiently in digital notice board connected with software. Hence Web-server can provide user with real time actual data which can be used android application.

References

Jadhav Vinod, Nagwanshi Tejas, Patil Yogesh, �Digital Notice Board Using Raspberry Pi� Ijcat, Vol 3,Issue 2, Feb 2016, pp-87-91.
Yoanes Bandung, Yonathan F. Hendra, Luki Bangun Subekti �Design and Implementation of Digital Signage System based on Raspberry Pi 2 for e-Tourism in Indonesia� November 16 � 19, 2015
Yash Teckchandani, G. Siva Perumal, Radhika Mujumdar, Sridhar Lokanathan� Large Screen Wireless Notice Display System�,2015













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