Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides ...

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 ...

Although it dates back to the early days of the Marconi Company in the 1920s, the Franklin oscillator has remained a ...

One of the coolest things about old hi-fi hardware is that it often came with flickety needles that danced with the audio ...

I’ve been writing and editing technology articles for more than seven years, most recently as part of PCMag's software team. I am responsible for content in the AI, financial, graphic design, ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Lauren Dragan Lauren Dragan writes about audio tech and OTC hearing aids. She ...

AS5600 is a library for an AS5600 / AS5600L based magnetic rotation meter. More exact, it measures the angle (rotation w.r.t. reference) and not RPM. Multiple angle measurements allows one to ...

Abstract: Sound intensity measurement is an important action in the assessment of environmental conditions, especially in urban settings, due to the higher density of pollution sources. Noise exposure ...

This project implements an embedded ultrasonic liquid level monitoring system with an LCD interface. The system measures the distance from the sensor to the liquid surface and converts this ...