Abstract: The focus of this research paper is to develop a smoke detector system for cities that provides timely warnings about smoke and identifies the type of smoke to prevent potential fire hazards ...

This project is open source hardware under the CERN Open Hardware Licence Version 2 - Strongly Reciprocal (CERN-OHL-S v2). ⚖️Disclaimer: This synthesizer was developed as a purely educational project ...

The humble 555 timer has its origins back in the early 1970s as the NE555, a bipolar integrated circuit. Over the years it has spawned a range of derivatives, including dual versions, and ones using ...

The venerable 555-type timer makes an effective driver for power MOSFETs, but you have to understand the drive situation when selecting the correct variation of the basic timer. This idea shows how ...

Radio frequency (RF) was once a noninvasive treatment you could only access in-clinic, but thanks to advancements in technology, it’s now available for home use. So how does it work exactly? RF uses ...

Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

Abstract: This paper presents the design, simulation, and implementation of a solid state Tesla coil (SSTC) with music playback functionality through its arcs. It showcases various circuit designs ...

Written by Bernard D. Beitman M.D. and Ruslana Remennikova, MS. Since the beginning of human civilization, history has shown a correlation between sound and cognitive, mental, and physical wellness. 1 ...

The quest for clear, healthy skin can seem like a never-ending road full of fad-filled twists and skincare tool turns. While microcurrent devices and blackhead removers have a time and place, ...