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ติดตั้ง library ของ RFID module โดยพิมพ์คำว่า MFRC522 ในช่องค้นหา library แล้วเลือกติดตั้ง "MFRC522 by GithubCommunity" เวอร์ชัน 1.4.10 ...
Passive and semipassive RFID tags do not use a radio transmitter; instead, they use modulation of the reflected power from the tag antenna. Reflection of radio waves from an object has been a subject ...
All the calculations we've performed so far assume that a wave leaves the antenna and strikes the tag, interacting with no other objects. This kind of calculation is very sensible if the tag and ...
Abstract: Radio frequency identification (RFID) offers tantalizing benefits for supply chain management, inventory control, and many other applications. Only recently, however, has the convergence of ...
ABSTRACT: In this paper a new active RFID system at 2.45 GHz based on the low-power system-on-chip CC2530 RF transceiver is designed and implemented. Only by using of an integrated multi-channel fast ...