Discover how to build a fully functional drum set at home using cardboard, aluminum foil, and some basic electronics. In this step-by-step tutorial, you'll see how to craft the drums and cymbals, wire ...

In this video I’m showing how I’ve built a very simple battery backup circuit for my home alarm system. The circuit charges a 12v lead acid battery and in an event of a power loss, it transfers the ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...

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Unboxing Elektor’s ESP32 by Example Learning Course: book, boards, sensors, and a quick look at what the Academy Pro modules cover.

Eligibility rules to join the U.S. military can be a little confusing. Different rules exist for enlisting and for officer programs. Enlisting: Enlisted members do the hands-on work of the military.

Try shopping for a USB-C cable and you’ll no doubt be struck by the confusing disparities in cable pricing and performance claims. These are just cables, right? Can they really be that different? At ...

I’m PCMag’s managing editor for consumer electronics content, overseeing an experienced team of reviewers and product testers. I’ve been covering tech for 25 years. Prior to PCMag, I worked at outlets ...

Walking into Silverball Retro Arcade in Asbury Park feels about a thousand times better than that. From the arcade’s exterior, a vibrant sign invites you to step into a world of retro games and ...