The RC522 (MFRC522) RFID Reader Module reads and writes 13.56 MHz RFID cards over SPI, making it the easiest way to add tap-to-access security to your Arduino project. It usually ships with one white card and one keychain tag so you can start building right away.
Key Features
- Reads & writes 13.56 MHz Mifare cards/tags
- SPI interface — connects to Arduino, ESP32, ESP8266
- Includes RFID card + keychain tag
- Low power, small footprint
- Huge community library support (MFRC522.h)
Specifications
| Working voltage | 3.3V DC |
| Frequency | 13.56 MHz |
| Interface | SPI (also supports I2C/UART on some) |
| Read range | ~3 cm |
| Included | 1x card, 1x keychain tag |
Popular Project Ideas
- RFID-based door lock / access control
- Student & staff attendance system
- RFID smart wallet / payment demo
- Asset tracking and inventory FYP
Order online anywhere in Pakistan or visit Arduino Corner at Shaheen Market, DAV College Road, Rawalpindi. We ship to Islamabad, Lahore, Karachi, Peshawar and every city with cash on delivery and fast dispatch — the trusted choice for students, hobbyists and FYP builders.
