Teardown of a NanoVNA-F V2 Vector Network Analyzer
Recently, I got my hands on a NanoVNA-F V2 made by SYSJOINT. It features a large 4.3 inch touch screen […]
How Does a Spot Welder Work? Review, Teardown and Analysis of a BIFRC DH20 Battery Spot Welder
A while back I built a spot welder with an old microwave oven transformer (MOT). Since then, I have used […]