{"product_id":"mfrc522-rc522-rfid-reader-13-56mhz-spi-s50-arduino","title":"MFRC-522 RC522 RFID Reader Module — 13.56MHz SPI, S50 Card \u0026 Keychain, Arduino","description":"\u003ch2\u003eMFRC-522 RC522 RFID Reader Module — 13.56MHz, SPI, with S50 Card \u0026amp; Keychain\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMFRC-522\u003c\/strong\u003e (RC522) is the most popular \u003cstrong\u003e13.56MHz RFID reader\/writer module\u003c\/strong\u003e for Arduino and Raspberry Pi projects. Based on the NXP MFRC522 IC, it communicates via \u003cstrong\u003eSPI interface\u003c\/strong\u003e at 3.3V and can read and write \u003cstrong\u003eMIFARE Classic (S50\/S70) cards and keychains\u003c\/strong\u003e at up to 10cm range. Includes one \u003cstrong\u003eS50 RFID card\u003c\/strong\u003e and one \u003cstrong\u003eRFID keychain\u003c\/strong\u003e for immediate testing.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC\u003c\/td\u003e\n\u003ctd\u003eNXP MFRC522\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e13.56MHz (ISO\/IEC 14443 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI (up to 10Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e13-26mA (read), \u0026lt;80mA (write)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Range\u003c\/td\u003e\n\u003ctd\u003eUp to 60mm (card), up to 30mm (keychain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Cards\u003c\/td\u003e\n\u003ctd\u003eMIFARE Classic 1K (S50), 4K (S70), Ultralight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to +80 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003e40 x 60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose RC522?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMost popular RFID module\u003c\/strong\u003e — massive community support, libraries, and tutorials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPI interface\u003c\/strong\u003e — fast, reliable communication with Arduino and Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes S50 card + keychain\u003c\/strong\u003e — ready to test immediately out of the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead and write capable\u003c\/strong\u003e — read UID and write data to MIFARE Classic cards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V operation\u003c\/strong\u003e — compatible with 3.3V systems; use level shifter for 5V Arduino\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow cost\u003c\/strong\u003e — ideal for access control prototypes and learning projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess control system\u003c\/strong\u003e — door lock triggered by authorized RFID card or keychain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttendance tracking\u003c\/strong\u003e — log employee or student check-in with RFID cards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInventory management\u003c\/strong\u003e — tag and track items with RFID labels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart locker\u003c\/strong\u003e — RFID-authenticated locker unlock system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePayment simulation\u003c\/strong\u003e — prototype contactless payment systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT identification\u003c\/strong\u003e — identify objects or users in automated systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eArduino Wiring (SPI)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eRC522 Pin\u003c\/th\u003e\n\u003cth\u003eArduino UNO\u003c\/th\u003e\n\u003cth\u003eArduino Mega\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA (SS)\u003c\/td\u003e\n\u003ctd\u003eD10\u003c\/td\u003e\n\u003ctd\u003eD53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCK\u003c\/td\u003e\n\u003ctd\u003eD13\u003c\/td\u003e\n\u003ctd\u003eD52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMOSI\u003c\/td\u003e\n\u003ctd\u003eD11\u003c\/td\u003e\n\u003ctd\u003eD51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMISO\u003c\/td\u003e\n\u003ctd\u003eD12\u003c\/td\u003e\n\u003ctd\u003eD50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRST\u003c\/td\u003e\n\u003ctd\u003eD9\u003c\/td\u003e\n\u003ctd\u003eD5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can RC522 work with 5V Arduino?\u003c\/strong\u003e\u003cbr\u003eA: The module operates at 3.3V. Connect VCC to Arduino 3.3V pin. SPI signals from 5V Arduino are usually tolerated, but a level shifter is recommended for reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Which Arduino library should I use?\u003c\/strong\u003e\u003cbr\u003eA: Use the \u003cstrong\u003eMFRC522 library by miguelbalboa\u003c\/strong\u003e available in the Arduino Library Manager. It includes full read\/write examples.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I read any NFC card?\u003c\/strong\u003e\u003cbr\u003eA: RC522 reads ISO 14443 Type A cards (MIFARE Classic, Ultralight). It does not support ISO 14443 Type B or NFC Forum Type 4 tags.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x MFRC-522 RC522 RFID Reader\/Writer Module\u003c\/li\u003e\n\u003cli\u003e1x S50 RFID Card (1KB)\u003c\/li\u003e\n\u003cli\u003e1x RFID Keychain Tag\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"MFRC-522 Module","offer_id":46991476916459,"sku":"14:94#MFRC-522 Module","price":4.96,"currency_code":"USD","in_stock":true},{"title":"1 set","offer_id":46991476949227,"sku":"14:10#1 set","price":5.56,"currency_code":"USD","in_stock":true},{"title":"IC Card","offer_id":46991476981995,"sku":"14:175#IC Card","price":3.4,"currency_code":"USD","in_stock":true},{"title":"IC key","offer_id":46991477014763,"sku":"14:173#IC key","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mfrc-522-rc522-rfid-reader-module-s50-raspberry-pi.webp?v=1761629924","url":"https:\/\/keszoox.com\/products\/mfrc522-rc522-rfid-reader-13-56mhz-spi-s50-arduino","provider":"Keszoox","version":"1.0","type":"link"}