{"product_id":"diy-rfid-door-lock-kit-rc522-oled-sg90-servo","title":"DIY - RFID Door Lock Kit - RC522, OLED, SG90 Servo","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis DIY project builds an RFID door lock. An Arduino Nano reads RFID cards with an RC522 reader, shows the result on an OLED and turns a servo to open the latch for authorised cards only.\u003c\/p\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eThe RC522 reader scans an RFID card or tag brought close to it.\u003c\/li\u003e\n\u003cli\u003eThe Arduino Nano checks the card's ID against the authorised list and shows the result on the OLED.\u003c\/li\u003e\n\u003cli\u003eIf the card is authorised, the SG90 servo rotates to open the latch, then locks again.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eComplete Parts List\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400 Points Mini Solderless Prototype PCB Breadboard High Quality\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMB102 Adjustable Breadboard Power Supply Module (3.3V \u0026amp; 5V) for Arduino \u0026amp; Raspberry Pi\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJumper Wire 10 Pin Male To Female 20cm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJumper Wire 10 Pin Male To Male 20cm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArduino Nano C Type V3 ATMEGA328 with Soldered Headers\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRFID Reader\/Writer RC522 SPI S50 with RFID Card and Tag\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.96 Inch I2C\/IIC 4pin OLED Display Module White\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTowerPro SG90 Mini Servo – 180 degree Rotation – Standard Quality\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome and room security\u003c\/strong\u003e - a simple card-based door lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess control learning\u003c\/strong\u003e - understand how RFID authentication works\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrototype for smart locks\u003c\/strong\u003e - a base for lockers, cupboards and cabinets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFull Build Guide\u003c\/h3\u003e\u003cp\u003eStep-by-step instructions and code for this exact project are on \u003ca href=\"https:\/\/www.kitkraft.in\/blogs\/project\/rfid-door-lock-with-oled-servo-kitkraft-arduino-security-project\"\u003eProject Hub\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDo I need coding experience?\u003c\/strong\u003e No prior experience is required - this kit is built around one specific project, and the full code is freely available. See the build guide above.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat tools do I need beyond what's included?\u003c\/strong\u003e A computer with the free Arduino IDE (or ESP8266 board support, where applicable) installed to upload the code. No soldering is required for this build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I reuse the parts afterward?\u003c\/strong\u003e Yes - every component in this kit is a standard, reusable part you can use in future projects, not a single-use kit.\u003c\/p\u003e","brand":"Kitkraft","offers":[{"title":"Default Title","offer_id":49413998411915,"sku":"KKPRJ0034","price":899.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/1908\/0075\/files\/Gemini_Generated_Image_ip26gbip26gbip26.png?v=1790618383","url":"https:\/\/www.kitkraft.in\/products\/diy-rfid-door-lock-kit-rc522-oled-sg90-servo","provider":"Kitkraft","version":"1.0","type":"link"}