![]() ![]() As Arduino is the main processing device, all the connections are the connections are explained with respect to it. The design of the circuit is described here. The main components of the project are Arduino UNO, RFID Reader, some RFID cards and an alphanumeric LCD display. data, which is programmed by the manufacturer, can only be read by the reader. Usually, passive RFID cards are read only type i.e.The required power for the operation is drawn from the electromagnetic field generated by the RFID reader. The range is typically 100 feet or more.Data can be read or write from the cards as they consists of EEPROM.RFID Cards can be either active type or passive type. RFID Card or Tag consists of an antenna and an IC for storing the data. It radiates a 125 KHz signal through its antenna and hence a similar frequency based RFID Card must be used. The RFID Reader module used in this project is EM – 18. RFID readers can read and/or write data in to the RFID cards (depending on the type of the card). A simple RFID reader consists of an antenna, demodulator, data decoder unit and some filters. RFID Reader Modules are basically radio frequency transceiver (transmitter and receiver). Hence, it contains two components: RFID Cards or Tags and RFID Reader. Applications of Arduino and RFID IntegrationĬircuit Diagram Figure #1 – Arduino RFID Reader Circuit Diagram ComponentsĪs mentioned earlier, RFID is a wireless, non-contact type technology. ![]()
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