The built-in web server, which is hosted on the ESP32, allows monitoring through any device connected to the local network, ...

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the ...

School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan Metropolitan City 44919, Republic of Korea ...

Abstract: In this work we developed a sensor for long-term auscultation of heart sounds. The sensor is based on a ceramic piezoelectric element and a phantom powered preamplifier. We designed the ...