Raspberry Pi Zero 2 W-based 3-antenna switch for HF (100W), controlled via Flask. Uses ANMBEST 4-channel relay (active HIGH), Freenove Breakout Board HAT, and SO-239s in a DXE-UE-2P box with Alpha ...

Explore the world of RF directional couplers and their role in precise microwave measurements for engineers and designers.

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36,953 people played the daily Crossword recently. Can you solve it faster than others?36,953 people played the daily Crossword recently. Can you solve it faster than others?

We present an RF phased-array time-multiplexing technique that extends the powering coverage to as far as one hemisphere. The transmitter (TX) array is designed with optimal surface currents at 915 ...

Commented Nebojsa Matic, CEO of MIKROE: “This new Click board suits motor control applications in robotics, automation and industrial equipment, medical devices, antenna positioning, CCTV and security ...

This directory contains a yaml file for an ESPHome project that can be used to switch between two HF antennas using a relay. For more information on how to program an ESP32 with ESPHome, please refer ...