{"product_id":"rfid-card-inductive-module-mfrc-522-with-key-chain","title":"RFID Card Inductive Module MFRC-522 with Key Chain","description":"\u003ch1\u003eRFID Card Inductive Module MFRC-522 with Key Chain\u003c\/h1\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOperating frequency: 13.56 MHz\u003c\/li\u003e\n\u003cli\u003eInterface: SPI (Serial Peripheral Interface)\u003c\/li\u003e\n\u003cli\u003eLogic level: 3.3V (5V tolerant I\/O)\u003c\/li\u003e\n\u003cli\u003eRead range: Up to 5 cm\u003c\/li\u003e\n\u003cli\u003eSupported tag types: MIFARE Classic 1K, MIFARE Ultralight\u003c\/li\u003e\n\u003cli\u003eDimensions: 40 mm x 60 mm\u003c\/li\u003e\n\u003cli\u003eIncludes: One MFRC-522 module, one RFID card, one key chain tag\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Uno, Nano, Mega)\u003c\/li\u003e\n\u003cli\u003eESP32\u003c\/li\u003e\n\u003cli\u003eESP8266\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (via SPI)\u003c\/li\u003e\n\u003cli\u003eSTM32\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRFID-based door lock system with Arduino\u003c\/li\u003e\n\u003cli\u003eAttendance logging system for classrooms or offices\u003c\/li\u003e\n\u003cli\u003eContactless payment terminal prototype\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eCompoden 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.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect the MFRC-522 to an Arduino?\u003c\/summary\u003e\n\u003cp\u003eConnect 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the RFID Card Inductive Module MFRC-522 with Key Chain?\u003c\/summary\u003e\n\u003cp\u003eYou can pay using UPI, credit\/debit cards, or Cash on Delivery (COD). All payment methods are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eBuy RFID Card Inductive Module MFRC-522 with Key Chain online in India with COD and UPI available across India.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"RFID Card Inductive Module MFRC-522 with Key Chain\",\n  \"description\": \"13.56 MHz RFID module for contactless identification and access control, compatible with Arduino, ESP32, and Raspberry Pi.\",\n  \"sku\": \"RFID-MFRC522-KC\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Generic\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"200.34\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"url\": \"https:\/\/compoden.in\/products\/rfid-card-inductive-module-mfrc-522-with-key-chain\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How do I connect the MFRC-522 to an Arduino?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"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.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What payment options are available for the RFID Card Inductive Module MFRC-522 with Key Chain?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can pay using UPI, credit\/debit cards, or Cash on Delivery (COD). All payment methods are available across India.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How long does delivery take?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"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.\"\n        }\n      }\n    ]\n  }\n}\n\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53492640940397,"sku":"CDN-2280","price":260.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/rfid-card-inductive-module-mfrc-522-with-key-chain-7791058.jpg?v=1785259568","url":"https:\/\/compoden.com\/products\/rfid-card-inductive-module-mfrc-522-with-key-chain","provider":"Compoden","version":"1.0","type":"link"}