rfid_access_system_door_lock_and_laser_cutter_inspiration []

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The idea is to build a simple RFID system to control the main door lock and the laser cutter for EB members/staff.

Examples:

  * https://create.arduino.cc/projecthub/smerkousdavid/arduino-ethernet-rfid-card-reader-1ffdee?ref=tag&ref_id=rfid&offset=4
  * https://create.arduino.cc/projecthub/robotgeek-projects-team/rfid-door-lock-with-arduino-89cad2?ref=tag&ref_id=rfid&offset=9
  * https://create.arduino.cc/projecthub/dtbaker/garage-door-opener-via-mobile-phone-and-rfid-c8fd44?ref=tag&ref_id=rfid&offset=17
  * https://pimylifeup.com/raspberry-pi-rfid-rc522/ (using a Raspberry Pi rather than Arduino)

Server side exinting code for authentication (in php):

  * https://github.com/gctechspace/door_opener_php
  * Docs: https://gctechspace.org/2012/06/door-opener-code-and-documentation/

Server side proposal:

  * Django 2.1 + Python3 server backend
  * Bootstrap4 web UI
  * SQLite (or MariaDB)
  * Simple HTTP API: https://server/?resource=main_door&action=on&pin=12345
    * resource = laser_cutter, main_door, lab_door etc
    * action = on, off (open, close)
    * pin = rfid ID
  * HTTP status codes:
    * A HTTP status of 405 will get sent if you have the wrong pin number.
    * A HTTP status of 406 will get sent if you have an invalid pin (ie: no pin provided)
    * A normal HTTP status of 200 will return if the pin is correct and the door has been triggered.
    * A HTTP status of 407 will get send if you have just been banned (ie: too many incorrect attempts)

Hardware:

  * <del>SENS-26 MFRC522 NFC/RFID Controller Breakout Board</del>
  * SUNFOUNDER PN532 
  * <del>Arduino nano + Ethernet shield</del>
  * Raspberry Pi 3
  * Ethernet hub/switch
  * Linux server (Raspberry Pi or similar)
  * Relays
  * Electronic door lock (ask Greg about those from aliexpress...)

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