Abstract: In this paper, we proposed a broadband circularly polarized antenna with wide beamwidth. The main structure of the proposed antenna is a combined cross-polarized dipole antenna, four metal ...
A small, portable device that allows you to quickly write RFID tags to label your spools. Compatible with QIDI and ANYCUBIC systems, but can be updated to support other standards as they become more ...
Abstract: The proliferation of RFID applications motivates an integrated solution to reduce the cost and physical size of readers. This paper describes the architecture and design of a world-wide ...
Firmware for ESP32-based smart vending machine fridges using R200 UHF RFID reader. This firmware handles door locking/unlocking, RFID tag reading, and MQTT communication with the backend server.
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