GB for R-2R Volume Controller with 4 inputs

[SpyNet]

Is there switchable 5v to connect external relay for controlling the transformer of a preamp?

 

[iTiberius]

There are two open collector at J7. Add a LED and a 330ohm resistor and see which one fit your need.
https://www.diyaudio.com/forums/gro...volume-controller-4-inputs-5.html#post4109749


Regards,
Tibi

 

[SpyNet]

Thank you very much!!!

 

[iTiberius]

Schematic, bill of materials, gerber files, firmware and entire documentation is now available for download at vicol audio : r-2r volume controller

Enjoy !

Regards,
Tibi

 

[johnnyti]

I tried to download it, but couldn't download the gerber files.

The error message.

"The requested URL /docs/Gerber_and_Drill_VC2_rev2014.zip was not found on this server."