A cost-effective alert system using FRDM-K64F based on RFID that can: 1. Differentiate between registered and unregistered users. 2. Detect and send alerts when cards are flashed 3. Display alerts on LCD screen 4. Log and store all the alerts in SD card (in desired file format) 5. Easily add new registered users
Dependencies: MFRC522 NOKIA_5110 SDFileSystem mbed