A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

This—this is the Chord Electronics Suzi. Modular preamp and power amp. Doesn’t look like much, does it? That’s the point. Quiet. Small. No distractions. But when you hook it up… it doesn’t just play ...

as well as a growing number of data center customers that use the company’s so-called linear generators as a source of power. The technology works by creating a flameless reaction of air and ...

I created two modern cinderblock benches with basic materials and no power tools. ANYBODY can do this at home, it is super simple. I have a link below of all of the materials that I used.

A nicely-done home-made project on stripboard mounted on a wooden base board, it sports a power supply, RIAA pre-amp board, and the amplifier itself. The current dumping amplifier is one that ...

Its theoretical derivation is grounded in linear least squares (LLS) longitudinal power monitoring (LPM), an algorithm capable of estimating the absolute power evolution of a signal along the link. We ...

It really isn’t necessary, but there is some geek cred to learning pi to some bizarre number of digits. One way to do that is via a piem — a mnemonic device that is easy to remember and gives ...

In this article, I would like to talk a little bit about LEDs, including why they will become the lighting source of choice, how to power them and also ... with an integrated rail-to-rail current ...