Researchers from Southeast University have developed a novel amplifying and filtering reconfigurable intelligent surface ...

An active two-way current sink/source mirror (ATWCM) where input current source is mirrored as a sink current.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

Athearn has released a new run of Electro-Motive Division FP45 diesel locomotives in its HO scale Genesis line. The six-axle ...

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