This pin connects with the Arduino/Microcontrollers for SPI communication. However, it transfers the data from module to Arduino. The MISO pin is also useable for other functions instead of SPI.

Learn how to use RFID NFC RC522 with Arduino, how to connect RFID-RC522 module to Arduino, how to code for RFID/NFC, how to program Arduino step by step. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino.

The RC522 RFID module pin configuration is shown below. So, this module includes 8 pins, which are explained below. ... The following code demonstrates how to interface the RC522 RFID module with the Arduino board. #include <SPI.h> #include <MFRC522.h> #define SS_PIN 10 #define RST_PIN 9 MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.

Let’s build a simple RFID-based door access control system using an Arduino and the RC522 RFID module. This project will scan RFID tags and compare their unique IDs to a predefined master tag stored in the Arduino’s memory.

All the pins of MFRC/RC522 RFID card Reader are: The table below shows the eight pins found on the RC522 RFID module. You can also view their descriptions. The power pins are VCC. In some versions of RC522, this pin is denoted by 3V3 on the module instead of VCC. This is the reset pin for the module.

simply connect the arduino with RFID-RC522 as shown in the above image . Warning : supply only 3.3V otherwise module will burn out. Pin Out for Uno/Nano and Mega. RC522 MODULE Uno/Nano MEGA

Feb 22, 2022 · Because the RFID module uses the SPI communication protocol, it will be connected to Arduino's dedicated SPI pins. The OLED display, on the other hand, employs the I2C protocol and will thus be linked to the Arduino's dedicated I2C lines.

May 18, 2022 · RC522 RFID Reader/Writer Module Pinout. The RC522 module has a total of 8 pins. This module supports various communication protocols and each pin has a different function for each communication protocol. The pinout of an RFID Reader module is as follows: SDA SCL I2C Communication pins. DATA and CLOCK. SS SCK MOSI MISO SPI communication pins ...

In this article, I will explain, the MFRC522 Pinout, how to Interface the MFRC522 with the Arduino? How to read the RFID Tags? And then how to use those RFID tags to perform specific tasks by the Arduino? Without any further delay, let’s get started!!! Arduino Nano USB-C Type (Recommended) 12v Adaptor: MFRC522 RFID module with tags: Arduino Uno.

Dec 1, 2024 · The MFRC522 RFID module is a popular choice for Arduino projects due to its affordability, ease of use, and compatibility with various RFID tags. This setup can be used in practical applications such as access control systems, attendance systems, and …