The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Abstract: In simultaneous wireless power and data transfer (SWPDT) systems, which adopt coupling coils with taps, the selection of the tap position to obtain good performance of communication is a ...

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Abstract: Mode coupling is a fundamental concept to model and understand light propagation in optical fibers when they are affected by irregularities with respect to an ideal case. This paper reviews ...

John Riley finds the Sigma 20-200mm f/3.5-6.3 DG Contemporary lens offers incredible versatility and impressiv... John Riley reviews and tests the Sigma 35mm f/1.4 DG II Art Lens, exploring its ...