[sdiy] switch question

[Scott Gravenhorst]

rude66 <rude66 at gmail.com> wrote:
>> Note too that there are switches made by special order, often 
>for just one company or even > one product. The pinout can be 
>strange as it may be purposefully arranged to accomodate a > 
>particular PCB layout. I've seen stuff like this in salvage 
>houses - so I would make no > assumptions, I'd measure each one 
>before wiring it up. > 
>
>ugh. that seems to be the case here.. it's turning into the never ending story..
>
>several others measure as follows:
>
>switch off:
>
>1 shorts to 8
>2 to-
>3 to-
>4 to 5
>5 to 4
>6 to -
>7 to -
>8 to 1
>
>switch on:
>
>1 to -
>2 to 7
>3 to 6
>4 to -
>5 to -
>6 to 3
>7 to 2
>8 to -
>
>can the same as scott and seb suggested be done with these? the
>combination of 1,2, 7 and 8 is the same as before, only the others
>aren't connected the same..

Looks to me that yes, using 1 + 2 together as the "center" lug and 7 and 8 each are outer lugs.

In fact, this one could be used as DPDT with (1,2),7,8 as one switch and (5,6),4,3 as the other.



-- ScottG

---------------------------------------------------------
-- Scott Gravenhorst
-- Xilinx Spartan-3E Based Music Synthesizers
-- FatMan: home1.gte.net/res0658s/fatman/
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