Wireless Notice Board using GSM and Arduino




Wireless notice board is very selective term for this project, as it has a very wide scope rather than just being a simple notice board. First we should understand the purpose of this project, in this system we can display a message or notice to some display device like LCD, and this message can be easily set or changed from anywhere in the world, just by using the SMS facility of your mobile handset. Whatever notice we want to display, just send the SMS of that text, with some prefix and suffix.

Wireless-E-Notice-Board-Using-GSM-and-Arduino




This is very useful in Hotels, Malls, college, offices and can be used anywhere, even at home. Like you can set the message like “Do not disturb” at your hotel’s room gate, can set message at your home’s door step when you are away, and of course it is used as notice board in schools, colleges, cinema halls etc. And yes, it’s just not a simple Message board, the usefulness of this project is that you can set or change the message or notice from anywhere, just sending SMS from your phone.

We have previously used the SMS facility of mobile phone for home security and control the home appliances remotely: PIR Sensor and GSM Based Security System and GSM Based Home Automation using Arduino




Working Explanation:

In this project, Arduino UNO is used for controlling the whole process, GSM module (SIM900A) to receive the SMS/message sent from mobile phone and LCD to display the message.

GSM-Arduino-LCD-for-wireless-notice-board

We can send some message or notice like “#Circuit Digest*”, “#We Welcomes You*” through the SMS. Here we have used a prefix in the message string that is ‘#’. This prefix is used to identify the starting of the message or notice. And ‘*’ is used as suffix to indicate the end of the message or notice.

We can send some message or notice like “#Circuit Digest*”, “#We Welcomes You*” through the SMS. Here we have used a prefix in the message string that is ‘#’. This prefix is used to identify the starting of the message or notice. And ‘*’ is used as suffix to indicate the end of the message or notice.

Wireless-E-Notice-Board-Using-GSM-Block-diagram

Read More:  Wireless Notice Board using GSM and Arduino




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