Using a DFPlayer mini purchased on Amazon - Lacking functionality, could not get it to read file counts in the folder and it would just return -1. In folders numbered 01 – 99. File names with 3 digit ...

Armed with a 3D printer, a handful of Arduino boards, and a mountain of enthusiasm, I dove into the world of digital electronics. My goal? To make this the last Halloween where I relied on someone ...

I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...

Abstract: This paper discusses about an advanced smart audio visualizer with equalizer, by assembling Arduino, DFPlayer mini, Metal Oxide Semiconductor Field Effect Transistor (MOSFET), an arrangement ...