Design and implementation of sms based notice board using 8 bit micro controller (gsm
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yeshwanth
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#1
01-02-2010, 08:41 PM


Design and implementation of sms based notice board using 8 bit micro controller (gsm modem with sms)
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tpallavi23
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#2
09-02-2010, 05:45 PM

sms based notice board plz
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anand_satti@rediffmail.com
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#3
10-03-2010, 08:01 AM

i need ppt of this topic "design and implementation of sms based notice board using 8 bit micro crontroller"
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Sidewinder
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#4
07-05-2010, 12:54 PM

Hi,
I found a guy who did this project and implimentation in this forum:
crazyengineersforum/project and implimentation-ideas-seminar and presentation-topics/19007-wireless-electronics-notice-board.html

you can ask for more details there if you want
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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anand_satti@rediffmail.com
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#5
08-05-2010, 04:49 PM

i need full report of that project and implimentation...
Undecided
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nehasingh315
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#6
19-10-2010, 11:17 AM

Circuit Digram of SMS based notice board
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Mridula Jain
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#7
26-10-2010, 03:17 PM

Plz send me full project and implimentation report and working for the design and implementation of sms based notice board using 8 bit microcontroller(gsm)
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sinior2002
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#8
06-11-2010, 03:05 PM

hi there

i need to know what if i use a bigger screen, is that effect the project and implimentation or not.

also i need more explanation about how to connect the secreen

regards
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computer science crazy
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#9
15-11-2010, 11:04 AM

The sms based notice board using 8 bit micro controller is built around the AT89C51 micro controller from Atmel. This micro controller provides all the functionality of the display and wireless control. It also takes care of creating different display effects for given text.

in between a gsm devise need to place for passing sms to micro controller

Matrix type display is designed using 5mm LED on a printed circuit board. A driver circuit is designed to drive all these LEDs. A simple PC key board can be connected to this system to enter the required text or notice. Several scrolling effects can be selected using function keys of keyboard. The scrolling speed of the text also can be changed according to user requirement.

you need to create an application based on vb (vb has own sms library to read message)

see whole (similar) details about this type project and implimentation idea from
jbproject and implimentationsproject and implimentations/led/
atmelatmel/acrobat/doc0265.pdf
you must do some modification to cop up with given requirement


request: if any one has more update on this project and implimentation please add below
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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nanda076
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#10
17-08-2011, 03:13 PM

circuit diagram for sms based notice board
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seminar addict
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#11
18-08-2011, 10:08 AM

To get more information about the topic " Design and implementation of sms based notice board using 8 bit micro controller" please refer the link below


topicideashow-to-design-and-implementation-of-sms-based-notice-board-using-8-bit-micro-controller-gsm?page=2
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EZEKIA SOLOMON
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#12
04-01-2012, 10:40 PM

may i plz get the full report of the project and implimentation? via ezesolo@ymail.com...?
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seminar addict
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#13
05-01-2012, 09:38 AM

To get more information about the topic " Design and implementation of sms based notice board using 8 bit micro controller" please refer the link below


topicideashow-to-design-and-implementation-of-sms-based-notice-board-using-8-bit-micro-controller-gsm?page=2
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study tips
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#14
02-08-2013, 02:49 PM

DESIGN AND IMPLEMENTATION OF SMS BASED NOTICE BOARD USING 8 BIT MICRO CONTROLLERS



.docx   DESIGN AND IMPLEMENTATION.docx (Size: 251.08 KB / Downloads: 10)

INTRODUCTION 

The proposed system is based on ATMEL 89S52 µcontroller .
For doing this project and implimentation we use some of the software like
Embedded C for programming the application software to the microcontroller.
 Protel schematic software is used for designing the circuit diagram for this project and implimentation.
 Express PCB software is used for designing the PCB for this project and implimentation.
(Since PCB making is a big process and involves lot of machineries which are expensive, we are going to outsource this to the manufacturer.)

ABSTRACT 

Now a days every advertisement is going to be digital. The big shops and shopping centers are using the digital moving displays now. In Railway station and bus stands everything that is ticket information, platform number etc is displaying in digital moving display. But in these displays if they wants to change the message or style they have to go there and connect the display to PC or laptop. 
Suppose the same message if the person wants to display in main centers of the cities means he have to go there with laptop and change the message by connecting into PC.This project and implimentation we can use mainly for police or army .I.e. displays will be connected to all the main centers in city if they wants to display messages about something crucial within 5 minute, they can’t
So keeping in this mind we are designing a new display system which can access remotely, we are using the GSM technology to access the display’s is one of the new technology in the embedded field to make the communication between microcontroller and mobile.
 This project and implimentation is a remote notice board with MODEM connected to it, so if the user wants to display some messages, he will send the messages in SMS format the MODEM in the display system will receive the message and update the display according to the message. For every message received from the user mobile, the system will check for the password and if the password is correct the controller will display the message. the LED s on the digital display board uses the latest hi-bread LCD modules (hi-bright), where LEDs are mounted on a rectangle plastic like enclosure and then wired as the 8/5 led matrix with 5 column and 8 rows. These LED’s have more brightness compared to the other LED now available in the market.

WORKING PRINCIPLE
 
This is a very good project and implimentation for college, police etc. This project and implimentation has a moving message display, which can be used as the digital notice board, and also a GSM modem, which is the latest technology used for communication between the mobile and the embedded devices.
  System will work like when the user wants to display or update the notice board, he have to sent the message in his mobile defining the messages and then the password of the system to the number of the sim which is inserted in the display system MODEM. Then the MODEM connected to the display system will receive the SMS, the microcontroller inside the system is programmed in such a way that when the modem receives any message the microcontroller will read the message form serial port and verify for the password, if the pass word is correct then it will start displaying the messages in the display system.
The messages are displayed on the system using high speed techniques, the entire display column is connected to shift register output so that the characters are first shifting to each column and then the microcontroller will switch on the row one by one with small delay. This process is continuing in high speed so that the viewer will feel the display in a more brightness.

Voltage range

The standard voltage range on RS-232 pins is _15V to +15V. This voltage range applies to all RS-232 signal pins. The total voltage swing during signal transmission can be as large as 30V. In many cases, RS-232 ports will operate with voltages as low as _5V to +5V. This wide range of voltages allows for better compatibility between different types of equipment and allows greater noise margin to avoid interference. 
Because the voltage swing on RS-232 lines is so large, the RS-232 signal lines generate a significant amount of electrical noise. It is important that this signal does not run close to high impedance microphone lines or audio lines in a system. In cases where you must run these types of signals nearby one another, it is important to make sure that all audio wires are properly shielded.

GSM modem (900/1800 MHz)

Semens GSM/GPRS Smart Modem is a multi-functional, ready to use, rugged unit that can be embedded or plugged into any application. The Smart Modem can be controlled and customized to various levels by using the standard AT commands. The modem is fully type-approved, it can speed up the operational time with full range of Voice, Data, Fax and Short Messages (Point to Point and Cell Broadcast), the modem also supports GPRS (Class 2*) for spontaneous data transfer.
 
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