Testing DC supplies can be done in many ways, from connecting an actual load like a motor, to using a dummy load in the manner of a big resistor. [Jasper Sikken] is opening up his smart tester for ...
Do-it-all countertop screens are deceptively simple, but highly convenient. Here's how our reviews help you determine the best smart display for your money. I’m PCMag’s home theater and AR/VR expert, ...