In a recent video [QWZ Labs] demonstrates an interesting technique to use 3D printing to make creating custom PCBs rather straightforward even if all you have is a 3D printer and a roll of copper tape ...

A microstrip is a type of electrical transmission line commonly used to convey microwave-frequency signals. It consists of a conductive strip placed on top of a dielectric substrate, with a ground ...

The development of cheaper, more powerful lasers has always been a cause for excitement among hackers, and fiber lasers are no exception. One of the newer tools they’ve enabled is the laser welder, ...