An open-source, versatile breakout board for controlling ST-4 autoguider ports on telescope mounts. Connect the board to the drive motors with an ST-4 cable (RJ12) and use a 5V microcontroller (e.g.
Abstract: The huge proliferation of the antenna number brought by 5G greatly increases the pressure of the bezels of the 5G terminals. To release the pressure, planar four-antenna module with ...
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