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

In order to create an environment sensor kit, we should not forget a loudness sensor that can measure the noise level. So, this is a Qwiic version (I2C) of Loudness sensor that can output ADC value (0 ...

This library utilizes any Arduino pins to be used as AD9851 control pins. This will gives you flexibility to use or to reserve any Arduino pins for other functions. The drawback, the frequency update ...

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 ...