This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

[Christian Doran] wanted some blinky goodness to go along with the tunes on his PSP. He built a VU meter circuit around a couple of LM324 op-amp chips and fit it into the UMD space on the back of the ...

The company has collected $170 million in new capital as it seeks to help connect data centers and other businesses in the age of artificial intelligence. By Michael J. de la Merced As Silicon Valley ...

Think high-tech weather tools are only for professionals? Think again. You can build something surprisingly useful—and fun with just a few everyday items. Find out how this simple DIY project can help ...

We Are Rewind’s GB-001 reinvents the iconic ‘80s boombox with a modern design and retro functionality. We Are Rewind’s GB-001 reinvents the iconic ‘80s boombox with a modern design and retro ...

Déjà vu is that strange feeling of having experienced something before, and is something most people have felt at some point. Usually, it’s harmless. But for some, like a 44-year-old father from ...

Clean-energy supplier EDF Renewables North America announced a deal Monday for a first-of-its-kind project to use wind power to capture carbon dioxide from the air and store it underground. The direct ...

Cool DIY: A developer has created an LED face mask that looks like something straight out of a dystopian sci-fi film. The device can display custom images and animations, turning the user into ...

Is your home in New Jersey getting a smart meter? Millions in the state who are customers of PSE&G, Jersey Central Power & Light and Rockland Electric have had these meters installed in their homes ...

We may receive a commission on purchases made from links. Measuring things is an essential part of building—whether you're a professional contractor or an occasional DIY-er, you must have a reliable ...

Digital and analog worlds continue to collide as Cambridge Audio announced that it has extended the retro-cool digital VU meter update that its Evo streaming amplifiers are getting today to its ...

An analog VU (volume unit) meter is a splendid moving-coil measuring instrument. It is a passive electromechanical device displaying a representation of the signal level in an audio equipment. Even ...