So here’s the situation: you have an audio device, maybe a boombox, perhaps one you built yourself, but it has no VU meter. No problem; building a VU meter is easy with these instructions from [Joe].

A pleasing development for those with an interest in audio equipment from decades past has been the recent resurgence in popularity of vinyl records. Whether you cleave to the view that they possess ...

VU (Volume Unit) meters are often included in analog audio equipments to display a signal level in Visual Units. We are building a mono input VU meter in this project. You can build one pair to use ...

Przecież te schematy są takie same.... To co nazywasz "uziemieniem" to po prostu masa łączysz ją do ujemnego bieguna zasilania. No może nie do końca takie same regulacja wysterowania w tym kolorowym ...