I want to read name and user code stored in a magnetic card by using my arduino and then send this information to a remote server. The server runs an application which is able to control if the user exists in the database and should return OK to the arduino.

Which is the best solution to do this? I will have to use GSM network since there is no Wi-Fi coverage. The server will run a PHP script.

Is there a library in Arduino which can help me to implement this kind of communication?

Thank you

  • 1
    TinyGSM has Client implementation – Juraj May 9 '19 at 11:42
  • Does it work with any GSM shield? – Marcus Barnet May 9 '19 at 15:50
  • I still need to buy the shield, so it would be better for me to choose the right one in order to use the tinygsm – Marcus Barnet May 9 '19 at 15:55

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