This project is a simple GSM Based project where 20x4 LCD is used as display for Notice board and GSM modem is used for receiving and sending SMS. When a user wants to display a notice/message on the notice board, user will send sms from a verified mobile number and sms recevied is displayed on LCD. Project involves simple security feature where SMS sender s number is compared with a pre-configured number (hardcoded in source code). If sms is recevied from an unknown sender, a notification SMS is sent to pre-configured number notifying an invalid access to board.

GSM_Notice_board(LCD)
.....................\GSMLCD.DSN
.....................\GSMLCD.PDF
.....................\GSMLCD.PWI
.....................\GSMNB_LCD
.....................\GSMNB_LCD.LST
.....................\GSMNB_LCD.M51
.....................\GSMNB_LCD.OBJ
.....................\GSMNB_LCD.Opt
.....................\GSMNB_LCD.Uv2
.....................\GSMNB_LCD.c
.....................\GSMNB_LCD.hex
.....................\GSMNB_LCD.lnp
.....................\GSMNB_LCD.plg
.....................\GSMNB_LCD_Opt.Bak
.....................\GSMNB_LCD_Uv2.Bak
.....................\Last Loaded GSMLCD.DBK
.....................\STARTUP.A51
.....................\STARTUP.LST
.....................\STARTUP.OBJ

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