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SMS based Remote Digital Notice Display Board using GSM Modem (LCD or LEDS Board)

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Project Description

Conventionally there was printed notice board. Which was used to display any sort of the information but they were not much useful as it was more difficult to change the information periodically and there was a lot of paper and ink wastage to. Then came electronic notice boards which used LEDs, with a particular combination to display any sort of information. This project aims at developing a GSM BASED MESSAGE DISPLAY that will design such a board which will be displaying a scrolling message which is send to the board via SMS. It will require a specified user to send a message to the GSM modem connected to the microcontroller in a pre-defined format. After receiving this message the microcontroller will display the Message on the display and start it scrolling on the board. For example this display can be taken as a NOTICE BOARD for a school/College on which the information can be updated by simply sending a SMS via a mobile phone to the GSM Modem connected with the microcontroller. The message display is made up of array of latches to glow display the string of characters to be displayed on that display. The line driver circuit has been used to interface the GSM Modem with the microcontroller to make their voltage levels compatible to each other.

Modules Used
CM06_img
TTL to RS232 Line-Driver Module
CU01_img
Microcontroller 8051 Family
HMI6_img
Buzzer for Beep Source
HMI3_img
Display Unit (Liquid Crystal Display)
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GSM Voice & Data Transciever
PS01_img
Regulated Power Supply
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