Access Control demonstration using a cheap RC522 RFID Hardware and Espressif's ESP8266 Microcontroller.
- Using WebSocket protocol to exchange data between Hardware and Web Browser
- Data is encoded as JSON object
- Records are Timestamped (Time synced from a NTP Server)
- Bootstrap for beautiful Web Pages for both Mobile and Desktop Screens
- Built-in HTML Editor
- Thanks to ESPAsyncWebServer Library communication is Asyncronous
Please install Arduino IDE if you didn't already, then add ESP8266 Core on top of it. Additional Library download links are listed below:
- Arduino IDE - The development IDE
- ESP8266 Core for Arduino IDE - ESP8266 Core
- ESPAsyncWebServer - Asyncrone Web Server with WebSocket Plug-in
- ESPAsyncTCP - Mandatory for ESPAsyncWebServer
- NTPClient - NTP Library for Arduino IDE
- MFRC522 - MFRC522 RFID Hardware Library for Arduino IDE
- ArduinoJson - JSON Library for Arduino IDE
You may also need
- ESP8266FS Uploader - Arduino ESP8266 filesystem uploader
Unlisted libraries are part of ESP8266 Core for Arduino IDE, so you don't need to download them.
The following table shows the typical pin layout used:
| Signal | MFRC522 | WeMos D1 mini | NodeMcu | Generic |
|---|---|---|---|---|
| RST/Reset | RST | D3 [1] | D3 [1] | GPIO-0 [1] |
| SPI SS | SDA [3] | D8 [2] | D8 [2] | GPIO-15 [2] |
| SPI MOSI | MOSI | D7 | D7 | GPIO-13 |
| SPI MISO | MISO | D6 | D6 | GPIO-12 |
| SPI SCK | SCK | D5 | D5 | GPIO-14 |
- Configurable, typically defined as RST_PIN in sketch/program.
- Configurable, typically defined as SS_PIN in sketch/program.
- The SDA pin might be labeled SS on some/older MFRC522 boards.
- Built-in HTML Editor has hard-coded JavaScript that loads from CDN Internet
- AP mode is being tested, connect to Internet where available, Text Editor won't work if there is no Internet connection
- Currently only Git version (2.4.0rc) of ESP8266 Core is supported, due to new function is introduced (WiFi.scanNetworksAsync())
- Currently we are serving all SPIFFS Files on webserver, exposing config.txt confidential data.
- Chrome complains about password on URL
-
Logging access
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Password Protection or Authentication for Tags instead trusting only to UIDs
-
Settings Panel for Wi-Fi, PICC Password, Factory Reset, NTP Client, etc
-
Schedule User Access
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Polished web pages
-
Sync Time from Browser if there is no internet connection
-
Sanity check where needed
-
Use Sming Framework for Development
-
Abandon "String" usage
-
Close security holes