RFID Card Inductive Module MFRC-522 with Key Chain
RFID Card Inductive Module MFRC-522 with Key Chain
The MFRC-522 is a 13.56 MHz RFID module that reads and writes to passive RFID tags and key chains. It is designed for contactless identification and access control applications, commonly used by makers and students in India.
Specifications
- Operating frequency: 13.56 MHz
- Interface: SPI (Serial Peripheral Interface)
- Logic level: 3.3V (5V tolerant I/O)
- Read range: Up to 5 cm
- Supported tag types: MIFARE Classic 1K, MIFARE Ultralight
- Dimensions: 40 mm x 60 mm
- Includes: One MFRC-522 module, one RFID card, one key chain tag
Compatible with
- Arduino (Uno, Nano, Mega)
- ESP32
- ESP8266
- Raspberry Pi (via SPI)
- STM32
What you can build with it
- RFID-based door lock system with Arduino
- Attendance logging system for classrooms or offices
- Contactless payment terminal prototype
Built and Backed by Compoden
Compoden has supplied electronics to Indian makers, schools, and engineering institutions for over 10 years. Every purchase includes access to our AI build companion, delivered via QR code, email, or WhatsApp, which helps you wire and program this module into a working project. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.
How do I connect the MFRC-522 to an Arduino?
Connect the module's SPI pins (SDA, SCK, MOSI, MISO) to the corresponding Arduino SPI pins, and power it with 3.3V and GND. The IRQ pin is optional. Use the MFRC522 library by Miguel Balboa for programming.
What payment options are available for the RFID Card Inductive Module MFRC-522 with Key Chain?
You can pay using UPI, credit/debit cards, or Cash on Delivery (COD). All payment methods are available across India.
How long does delivery take?
We ship the RFID Card Inductive Module MFRC-522 with Key Chain across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3-7 business days depending on your location.
Buy RFID Card Inductive Module MFRC-522 with Key Chain online in India with COD and UPI available across India.
Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items