RDM6300 RFID Reader Module Features If you are a little familiar with electronics then you have probably heard of RFID (Radio-Frequency-Identification). The RDM6300 model is one type of RFID modules with 125 kHz frequency. This module is designed for reading code from 125KHz (ID) compatible read-only tags and read/write 125KHz cards. Features: Support external antenna Maximum effective … Continue reading Interfacing RDM6300 RFID Reader Module with Arduino