Simple Low Cost Open Source UHF RFID Reader
This page presents a simple low-cost SDR RFID UHF reader capable of reading a tag in real time. This work is a direct continuation of the initial design proposed in[1]. This reader is designed around a simple asynchronous OOK modulator in transmission and an envelope detector in reception. All tasks specific to the RFID protocol including clock recovery, data recovery and frame detection are handled in software by a Arduino Uno micro-controller. This reader is able to generate any RFID command supported by the protocol and to decode any message backscattered by the tag in real time. The details of hardware and software associated with this reader are released in open source for the community.
Information presented in this page has been directly extracted from [2]. Source code of this project is included in a Github repository. This page also included some additional information added by other researchers.
Getting Started
If you are interested by this project, the simplest option is build the reader from a separate transmitted and receiver. The evaluation board of the TH72035 can be used without any modification for the TX part. The RX part can be build on a small breadboard with a simple Schockty diode, an op amp and few components.
- ↑ P. V. Nikitin, S. Ramamurthy, and R. Martinez, “Simple Low Sost UHF RFID Reader,” in 2013 IEEE International Conference on RFID (RFID), Orlando, FL, USA, Apr. 2013, pp. 1–2.
- ↑ N. Barbot, R. De Amorim Junior and P. Nikitin, “Simple Low Cost Open Source UHF RFID Reader,” in Journal of Radio Frequency Identification, accepted