One of the coolest things about old hi-fi hardware is that it often came with flickety needles that danced with the audio level. You can still buy these if you want, or you can simulate the same look ...
How-To Geek on MSN
5 things you never thought a $5 ESP32 could do
The little board that could.
Results that may be inaccessible to you are currently showing.
Hide inaccessible results