![]() The step by step working of this project is simple. 4: Image of a mobile phone receiving SMS sent through the SMS Messaging System 3: Image of Character LCD showing status for sent SMSĪs you can see in the image above after pressing the * Button for sending message the 16X2 LCD displays the message as sent, and the GSM cell phone receives the message displaying the Time with other details in the following imageįig. So as you can see I have pressed * Button for sending messagesįig. For your convenience I have made the cut-out of the typical numeric keypad. This numeric keypad has been built ingeniously by using keypad circuit having push buttons. 2: Image of Character LCD and Alphanumeric Keypad used in SMS Messaging SystemĪs shown in the image above I have used 16×2 LCD Display with arduino which is connected to the numeric keypad. For better understanding the keypad interface reader can read how to interface keypad with arduino.įig. The Programming of this project is little complicated but do not worry, I am sure with careful attention you can build it without any problems. In this project we are going to see how to send a Message using Alpha / Numeric Keypad and GSM. 1: Prototype of Arduino and GSM GPRS Module based SMS Messaging System It is assumed that the reader has gone through the project how to get started with the arduino and done all the things discussed in it.įig. ![]() Many at times you may have sent Messages using your Cell Phone and also by way of Hyper Terminal of your computer via GSM, and by sending Commands to GSM using Microcontroller. There are many applications which are using features of GSM Module like the feature sending Messages, making a Voice Call, Receiving Messages, attempting Call etc. GSM is quite a common Device which is used in major Projects and Real Time Operations.
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