RFID card, also called IC card, is widely used in security system.  This tutorial will show you how to use Osoyoo MEGA-IoT shield+OSOYOO RC522 RFID module + MEGA 2560 board to Write/Read data from RFID card and verify if the IC card matches the computer record. OSOYOO Advanced Board for Arduino MEGA2560 x 1 OSOYOO … Continue reading Osoyoo MEGA-IoT Shield RFID Tutorial: Get ID of a RFID card