shop/ communications/ mfrc522 nfc rfid reader module 13.56mhz

13.56MHz RFID reader/writer on the NXP MFRC522 chip. Talks SPI, reads and writes MIFARE cards. Kit ships with an S50 card and a key fob to start.

Specs

Chip NXP MFRC522
Frequency 13.56 MHz
Standard ISO/IEC 14443A
Interface SPI
Cards MIFARE S50, S70, Ultralight, Pro, Desfire
Voltage 2.5 - 3.3V
Read range ~5 cm
Size 59.9 x 39.7 mm
Includes S50 card + key fob

Runs on 3.3V logic. Common Arduino pick for door locks, attendance and RFID login. MFRC522 libraries are everywhere.

FAQ

Will this ship from Manila?

Yes — all stock ships from our Quezon City warehouse. Order before 4 PM weekdays for same-day cutoff via J&T or LBC.

Do you ship nationwide?

Yes. Metro Manila usually arrives next-day; provincial 1–3 working days.

Can I get this on a school PO or class order?

Yes — we accept Purchase Orders from accredited schools and universities. Contact us with your PO details and we'll process it.

Is this compatible with Arduino, ESP32, or Raspberry Pi?

Most parts work with common maker boards — check the description for specific pinout / voltage notes. If you're unsure, send us a message before ordering.

What's your return policy?

7-day inspection window for DOA units. Email proof of issue and we'll ship a replacement or refund. Used / installed parts are not returnable unless faulty.

Do you offer technical support?

Yes — questions land on our forum or via email, weekday or weekend. We've actually wired up most of what we sell.

Build with this board

// from learn.circuit.rocks

Notes from the bench

// from blog.circuit.rocks

Ask the community

// from forum.circuit.rocks