Please see the video:
https://youtu.be/fqmyob4F9q8
Size of the VU meter board: 50 x 60mm
Size of the PSU board: 45 x 70mm
YOU WILL GET ALL THE PARTS TO ASSEMBLE BOARDS YOU SEE IN THE PICTURES.
VU METERS ARE NOT INCLUDED.
Input signal should be from your systems "audio line out".
In the video you see 0VU is set at 0.8V RMS of the input signal.
How to adjust and regulate the board will be enclosed as well as circuit and part list.
You can adjust the brightness of the VU meters light also.
If you have questions with this board please write to me.
Take a look also at my other vu meters and items.