---
title: "RFID NFC ARDUINO ACCESS TERMINAL"
url: "https://maker.wiznet.io/irina/projects/rfid-nfc-arduino-access-terminal/"
markdown_url: "https://maker.wiznet.io/irina/projects/rfid-nfc-arduino-access-terminal/md"
type: "UCC: User Created Content"
author: "prnetgoogle"
author_url: "https://www.instructables.com/RFID-NFC-ARDUINO-ACCESS-TERMINAL/"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "prnetgoogle"
original_url: "https://www.instructables.com/RFID-NFC-ARDUINO-ACCESS-TERMINAL/"
license: "Apache License 2.0 (Apache-2.0)"
published: "2022-10-05"
language: "en"
hardware: ["WIZnet W5100 ethernet shield"]
likes: 11
views: 1115
comments: 1
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# RFID NFC ARDUINO ACCESS TERMINAL

> I needed an access control system for my office, able to log an NFC tag into a mysql database and/or in a text file.

Original author: prnetgoogle (source: https://www.instructables.com/RFID-NFC-ARDUINO-ACCESS-TERMINAL/)

## Components

- **WIZnet W5100 ethernet shield** x 1 ([docs](https://www.wiznet.hk/en/open-source-hardware/102-w5100s-ethernetshield.html?search_query=W5100+ethernet+shield&results=84))

## Documents and links

- [Source](https://www.instructables.com/RFID-NFC-ARDUINO-ACCESS-TERMINAL/) (code): If you visit to this website, you can see the arduino code and sql code.

## Article

## Hardware /Software

- Arduino Meda2560

- 2xrc522 rfid module

- RTC DS1307 clock module

- LCD Display

- Mysql database

### EEPROM MEMORY ADDRESS

- byte(1) address 0 - db

- byte(1) address 1 - SD

- byte(1) address 2 - check user tag into mysql

- byte(1) address 3 - hex dec tag format reading

- byte(1) address 4 - access system control ID (you may use to identify the office)

#### The readme.txt document shows the pinout.

![](https://maker.wiznet.io/upload/ckeditor5/495107238%5F1664960316%2Epng)

When an NFC card that is not registered in the SD card is recognized, the following output is displayed.

**Not find user**

![](https://maker.wiznet.io/upload/ckeditor5/495107238%5F1664960349%2Epng)

Register the NFC card to the SD card.

![](https://maker.wiznet.io/upload/ckeditor5/495107238%5F1664960379%2Epng)

---

Source: https://maker.wiznet.io/irina/projects/rfid-nfc-arduino-access-terminal/