In this post I will show how to construct a RFID based attendance system, which can record attendance of 12 students / staffs for a given time window and this system can record up to 255 attendances per person. What is RFID Attendance System We don’t need any introduction regarding the RFID based attendance system, […]
RFID
RFID Reader Circuit using Arduino
In this article we are going to take a tour on RFID circuit technology. We will be exploring how RFID tags and readers work, how to interface RFID module (RC522) with Arduino and extract some useful information from the RFID tags. Using RFID Tags I am sure every one of you has used RFID to […]
RFID Security Lock Circuit – Full Program Code and Testing Details
In this article we will see how an Arduino based RFID reader circuit could be used for controlling a relay, which in turn could be used in security door lock applications. Overview If you haven’t yet checked the previous RFID article, please go ahead check it out, it covered the basics of RFID technology. We […]