{"product_id":"esp32-wi-fi-rfid-smart-access-project-combo-esp32-mfrc522-relay-buzzer","title":"ESP32 Wi-Fi RFID Smart Access Project Combo | ESP32 + MFRC522 + Relay + Buzzer","description":"\u003ch2\u003eESP32 Wi-Fi RFID Smart Access Project Combo — ESP32 + MFRC522 + Relay + Buzzer\u003c\/h2\u003e\n\u003cp\u003eBuild a \u003cstrong\u003eWi-Fi enabled RFID Smart Access Control System\u003c\/strong\u003e with this advanced project combo from \u003cstrong\u003eXsortex HUB\u003c\/strong\u003e. This kit combines the powerful \u003cstrong\u003eESP32 CP2102 38-Pin Wi-Fi\/Bluetooth Board\u003c\/strong\u003e with the \u003cstrong\u003eMFRC522 RFID Reader\u003c\/strong\u003e, a \u003cstrong\u003e1-Channel Relay Module\u003c\/strong\u003e, \u003cstrong\u003eActive Buzzer\u003c\/strong\u003e, and \u003cstrong\u003eRed LED\u003c\/strong\u003e — giving you a fully connected access control system that can authenticate RFID cards, control a door lock or electric strike via relay, and log access events over Wi-Fi to a cloud dashboard or mobile app.\u003c\/p\u003e\n\u003cp\u003eUnlike basic Arduino RFID projects, this combo leverages the ESP32’s dual-core processor and built-in Wi-Fi + Bluetooth to enable \u003cstrong\u003eremote access management\u003c\/strong\u003e, \u003cstrong\u003ereal-time notifications\u003c\/strong\u003e, and \u003cstrong\u003ecloud-based access logs\u003c\/strong\u003e — making it ideal for advanced IoT projects and smart home applications.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included in This Combo?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1× ESP32 CP2102 38-Pin Wi-Fi\/Bluetooth Board\u003c\/strong\u003e — Dual-core 240MHz, 802.11 b\/g\/n WiFi, BT 4.2, 18 ADC channels, CP2102 USB-to-serial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1× MFRC522 RFID Reader Module\u003c\/strong\u003e — 13.56MHz contactless, SPI interface, includes RFID card \u0026amp; key fob, 3.3V logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1× 1-Channel 5V Relay Module\u003c\/strong\u003e — 5V coil, 10A\/250VAC contacts — controls electric door lock, strike, or solenoid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1× 3V Active Buzzer\u003c\/strong\u003e — Audible feedback for access granted \/ denied events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5× 5mm Red LED\u003c\/strong\u003e — Visual indicator for access denied events\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5× 220Ω Resistor\u003c\/strong\u003e — Current-limiting resistor for the Red LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMFRC522\u003c\/strong\u003e reads the UID from an RFID card or key fob via 13.56MHz SPI communication. The ESP32 compares the UID against an authorised list. On a match:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRelay activates\u003c\/strong\u003e — unlocks the door or electric strike for a set duration\u003c\/li\u003e\n\u003cli\u003e🔔 \u003cstrong\u003eBuzzer beeps once\u003c\/strong\u003e — access granted tone\u003c\/li\u003e\n\u003cli\u003e🟢 LED stays off (or green if added)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn an unauthorised card:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e❌ \u003cstrong\u003eRelay stays off\u003c\/strong\u003e — door remains locked\u003c\/li\u003e\n\u003cli\u003e🔔 \u003cstrong\u003eBuzzer sounds a long alert\u003c\/strong\u003e — access denied tone\u003c\/li\u003e\n\u003cli\u003e🔴 \u003cstrong\u003eRed LED turns ON\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith ESP32’s Wi-Fi, extend the project to send access logs to \u003cstrong\u003eFirebase\u003c\/strong\u003e, \u003cstrong\u003eBlynk\u003c\/strong\u003e, or a custom web server — and manage authorised UIDs remotely.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller:\u003c\/strong\u003e ESP32 CP2102 38-Pin — Dual-core 240MHz, WiFi + BT 4.2, 3.3V logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRFID Module:\u003c\/strong\u003e MFRC522 — 13.56MHz, SPI, 3.3V, read range up to 5cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay:\u003c\/strong\u003e 1-Channel, 5V coil, 10A\/250VAC — controls door lock or solenoid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicators:\u003c\/strong\u003e 3V Active Buzzer + 5mm Red LED (220Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Wi-Fi 802.11 b\/g\/n + Bluetooth 4.2 (ESP32)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 5V via Micro-USB (ESP32 onboard 3.3V regulator powers MFRC522)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming:\u003c\/strong\u003e Arduino IDE with ESP32 board package + MFRC522 library\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWi-Fi connected RFID door lock and smart access system\u003c\/li\u003e\n\u003cli\u003eCloud-based employee or student attendance tracking\u003c\/li\u003e\n\u003cli\u003eRemote access management via mobile app or web dashboard\u003c\/li\u003e\n\u003cli\u003eSmart locker or cabinet with RFID authentication\u003c\/li\u003e\n\u003cli\u003eAdvanced IoT security and access control college project\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrder now from Xsortex HUB\u003c\/strong\u003e and get fast delivery across India. All components are tested for compatibility and ready to prototype.\u003c\/p\u003e","brand":"Xsortex HUB","offers":[{"title":"Default Title","offer_id":52625349181572,"sku":"KIT-ESP32-RFID-001","price":499.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/6472\/4100\/files\/ESP32Wi-FiRFIDSmartAccess.png?v=1786179594","url":"https:\/\/www.xsortexhub.com\/mr\/products\/esp32-wi-fi-rfid-smart-access-project-combo-esp32-mfrc522-relay-buzzer","provider":"Xsortex HUB","version":"1.0","type":"link"}