Arduino RFID Card reader

Projects General Guidance
1

Hey there,

I would like to build an RFID Check In System. I thought about using a arduino uno with an RC522 RFID Reader. Regarding my Use-Case: I need a simple check-in system counting the check in's (It's about people who bought a coworking space for 10 days).
So the simple tasks are:

  1. register rfid card (id) with name of customer in a spreadsheet or smth similar and set count to 0
  2. each time user arrives he has to check-in with his id card and the count goes +1 and LED is green
  3. if count is >10 LED is red and maybe send notification email to admin

I think I would need some sort of ESP Module + Webserver + script for notification. Data could be stored in a spreadsheet or something like this.

Is this feasible or are there simpler approaches? Further, how can I implement the webserver/Backend as easy as possible?
I'm a total beginner, forgive me if my questions are not precisely enough. :slight_smile:
Cheers

2

I think you should start by connecting the RFID reader to the Uno and studying the examples for the MFRC522 library.
The next step is to take the esp8266 and play with webserver example.
This will keep you busy for a couple of months :slight_smile:

When you're done with the examples, start putting them together in your project.

4

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