Arduino RFID Access Control: RC522 and I2C LCD Setup Guide
Jun 9, 2024 · With an Arduino, an RC522 RFID module, and an I2C LCD display, you can easily build a system that uses RFID cards to grant or deny access. This beginner-friendly project not …
ESP32: RFID RC522 i2c - Networking, Protocols, and Devices - Arduino Forum
Mar 10, 2023 · Almost all of them says the RC522 has three communication channels: i2c, spi and uart. But when they come down to the examples, I always see the spi used. In my custom …
RC522 RFID-RC522 Switching SPI to UART interface or i2c
Dec 19, 2016 · The easiest way to make sure that the #1 pin (I2C) stays high is to glob a solder between the #1 and #2 pin (PVDD). I leave the EA alone (high) which means that the chip …
RC522 RFID Module Pinout, Interfacing with Arduino, Applications
RC522 is a Multi-communication RFID Module for Arduino and Microcontrollers. The RC522 is known as MFRC-522 due to its NFX semiconductor microcontroller. The module allows the …
PN532 RFID NFC Module with Arduino, How to use HSU UART, SPI, & I2C
Feb 9, 2025 · So, that’s all about how to use the PN532 NFC RFID module with the Arduino and how to use all the three interfaces or modes UART, I2C, and SPI. In my upcoming tutorial, I …
STM32F103控制RC522 RFID模块的I2C通信实践 - CSDN博客
Sep 24, 2024 · 简介：本项目将RC522 RFID模块与 STM32F103 微控制器结合，通过I2C通信协议实现RFID标签的读写功能。 项目包括硬件连接、I2C接口配置、RC522初始化及中断服务程 …
ESP32 RC522 RFID/NFC Module Code Examples
The RC522 is a cost-effective and compact RFID/NFC module designed for proximity identification and security applications. It supports multiple communication protocols (SPI, I²C, …
Interfacing PN532 NFC RFID Module with Arduino - How To …
May 29, 2023 · In this tutorial, we will be interfacing PN532 NFC RFID Module with Arduino Board in all the three UART, I2C & SPI Modes. PN532 is an NFC RFID module, popular in enabling …
RFID Tag/card Verification System : Arduino UNO + RFID RC522 …
RFID Tag/card Verification System : Arduino UNO + RFID RC522 + LCD 16x2 I2C + LEDs: In this project, the RC522 RFID (Radio Frequency IDentification) module was tested, if the correct …
RFID RC522 Interfacing with ESP32 - ElectronicWings
In this guide, we will learn how to Interface the RFID MFRC522 with ESP32 and how to read the RFID tags and display it on a serial window using ESP32 and Arduino IDE.