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 ...

I'm making a stereo to mono mixing audio cable that is used for connecting smartphones or other media players to some older mono amplifiers. The audio cable, mixes the stereo signal through two ...

DIY Handheld Arduino Game Console Working Video Share Watch on After selecting a game, it loads immediately, and gameplay ...

Four-legged robots that scramble up stairs, stride over rubble, and stream inspection data — no preorder, no lab coat ...

None ...

Abstract: User engagement and information understanding was assessed for a basic electronics tutorial designed using Augmented Reality (AR). The main idea was to compare user performance in ...

Walking into Silverball Retro Arcade in Asbury Park feels about a thousand times better than that. From the arcade’s exterior ...

Silverball Retro Arcade in Asbury Park is here to remind you that the old ways were pretty darn good, and they’re doing it with 150 pinball machines that’ll make you wonder why you ever thought ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...

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

The average American spends over $6,000 a month on living costs. But what happens when a job is lost, unexpected medical bills come up, or you decide you want to live on a single income as a family?