Casella Launches Its Enhanced 620 Sound Level Meter to Protect Workers from Noise-induced Hearing Loss. The new device offers significant upgrades such as time history profiling, voice notes and GPS.

Noise in animal housing facilities is an environmental variable that can affect hearing, behavior and physiology in mice. The authors measured sound levels in two rodent housing rooms (room 1 and room ...

Back in 2017, Hackaday featured an audio reactive LED strip project from [Scott Lawson], that has over the years become an ...

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 ...

It’s the evening before publication, and a pair of Hackaday writers convene to record the week’s podcast. This week Elliot Williams is joined by Jenny List, and it’s a bumper ...

The water level at Kuji Port in Iwate Prefecture rose 1.3 meters shortly after 1:50 p.m. on Wednesday. Authorities have issued a tsunami warning after a powerful earthquake in Russia's Far East. This ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Kathryn Rath Water-leak sensors, which keep you in the loop if your plumbing ...

Abstract: In this study, the feasibility of mini-light-emitting diode (LED) RGB display fabricated by a chip-first fan-out panel-level packaging is investigated. Emphasis is placed on the design, ...