I have a Logitech z506 speaker and I want to replace the volume with the digital potentiometer so that I can use an Arduino and tv remote to control it.
I have two problems:
- the analog pot is a 6 pin and I assume that it is a dual-channel one. but the 3 top pins are connected together like the below pic. I want to know why?
- I got 2 x9c104s digipot to replace the analog one. how can I wire them to the speaker board?
this is the analog pot: