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Some more work on the audio switch blog entry

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Correl Roush 2023-07-06 14:59:11 -04:00
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@ -5176,18 +5176,23 @@ also been an incredibly powerful tool.
I've had these speakers for over twenty years, and for most of them the volume I've had these speakers for over twenty years, and for most of them the volume
selector has been awful. The speakers themselves are fine, a simple enough pair selector has been awful. The speakers themselves are fine, a simple enough pair
of small stereo speakers with an accompanying subwoofer, but the volume selector of small stereo speakers with an accompanying subwoofer. The issue is the volume
is a plastic wheel set in-line with the speaker cable which — when rotated to all selector, a plastic wheel set in-line with the speaker cable which — when
but a few narrow positions — fails to make a solid connection and leaves at least rotated to all but a few narrow positions — fails to make a solid connection and
one of the two speakers cut out. I've put up with it for quite a while, the leaves at least one of the two speakers cut out. I've put up with it for quite a
positions being good enough and stable enough to enjoy it, but now that I've got while, the positions being good enough and stable enough to enjoy it, but now
a proper electronics hobby and am far less shy about cutting wires apart I'm that I've got a proper electronics hobby and am far less shy about cutting wires
found myself glancing at it thinking it'd make a great new project. apart I'm found myself glancing at it thinking it'd make a great new project.
Cutting the wires and unscrewing the case, the dial was revealed to be a very Cutting the wires and unscrewing the case, the dial was revealed to be a very
simple 10kΩ potentiometer. While this could /easily/ be replaced with a newer, simple 10kΩ potentiometer. While this could /easily/ be replaced with a newer,
prettier knob, there's just no fun in so simple a project. Indeed, why not have prettier knob, that's wouldn't be nearly enough fun! Why not have it
it controllable via WiFi? Or select multiple inputs? I'm using it primarily for controllable via WiFi? Or select multiple inputs? I'm using it primarily for my
my turntable right now, but I've got a TV nearby, and it'd certainly be nice to turntable right now, but I've got a TV nearby, and it'd certainly be nice to
pipe my computer's audio through it when I feel like it. pipe my computer's audio through it when I feel like it.
** Volume
** Display
** Inputs
** Remote Control
** Putting it together