The human ear can decipher the loudness of a sound. Also, given two sound signals of different intensities, it can distinguish the differences. But is there a device that can do the same? If you are ...

500, if you are also watching Serial Monitor (inital adjustment), or, Serial Plotter (the latter is prefererd for observation). Special thanks to user CRomer, for his input and hard work! int ...

This project is an interactive Arduino-based piano that plays musical notes and a song stored on an SD card. It also includes a sound spectrum visualizer using an LED matrix, which reacts to the audio ...

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...