Thumping level meters that pump with the volume ... The build relies on a very simple circuit that relies entirely on analog electronics in lieu of the usual digital signal analysis usually ...

An Arduino Nano runs the show, with an envelope follower circuit ... other VU meter builds before too, like this one that uses a little physics knowledge to create a more realistic analog-like ...

Fundamentals of analog filter design and linear circuits are covered in a book and kit of parts that are available on Kickstarter, which ends on April 16, 2025.

The Separation of Digital and Analog Signals is implemented in a HEXA-Audio ... only circuit space as well as reducing heat and noise from digital circuits. The SP3000M comes with a VU Meter GUI, ...