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

Abstract: Inspired by the human cochlea, we propose a directional sound sensor using a resonator array to overcome the limitations of existing directional microphones. The proposed sensor consists of ...

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Upload the sketch, and then monitor serial. The example sketch will calibrate the device over 15 seconds, and then print the carbon monoxide ppm once every second to the serial console. In the MQ7 ...

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 ...