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 ...

An archaic DieHard device has seemingly died hard; is hacking it to resurrect a portion of its original function a worthwhile endeavor?

It can handle the added heat better than existing substrates, and it will let engineers keep shrinking chip packages—which will make them faster and more energy efficient. It “unlocks the ability to ...

In this video, I discuss the basics of using a multimeter and highlight some settings that many DIYers may not be aware of. 🧰 Products Featured in the Video 🧰 - Klein MM720 - Klein HVAC CL445 Clamp ...

In this video, I highlight the common mistakes DIYers make while testing for hot wires and demonstrate the correct methods to ensure safety and accuracy. 🧰 Featured Products 🧰 - Klein Non Contact ...

Try searching for your own micrometeorites by collecting particulates from roofs or drain spouts. Use a magnet to see if any particles are attracted, and discard nonmagnetic ones. Use your microscope ...

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, and star cluster in Charles Messier’s famous catalog. Photographer Alan Dyer ...

The Stelo is available to anyone who wants to monitor their blood glucose, no prescription needed. But as an active adult without diabetes, are these extra data points worth $99 per month?

Multi-die design using 2.5D and 3D technologies has emerged as a necessity to keep the pace of innovation. For all their benefits, these projects present new challenges. This post considers monitoring ...

A compensated Pt100 RTD circuit has 1 mV/°C DMM output, with linearization via positive feedback, pending Part 2 ...

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...

We, the members of the IEEE, in recognition of the importance of our technologies in affecting the quality of life throughout the world, and in accepting a personal obligation to our profession, its ...