Could you use multiplexers? That would be more reliable and could
have as many switches as you want. Mike
-- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
> Hi,
>
>
> has one of you ever tried making a multi-position switch directly
on the
> PCB like most handheld meters have?
> I can't gold plate it (yet).
> I think tinning would do for now.
>
> I think of using a M6 screw as axis, just a washer on each side to
make a
> bearing
> of a hole in the PCB. Then take a piece of FR4 and make the "wiper"
with
> contacts
> of thin sheetmetal.
> The M6 screw would fit into a knob on the front panel.
> The "snap" action could be achieved by drilling holes in the PCB
and
> letting
> some spring catch them.
>
> What do you think of that? stupid idea?
>
> It seems i can't get rotrary switches with enough positions.
> Would be nice to be able to just make them how i want.
> After all it works in meters...
>
> tell me what you thik about that.
>
> ST