OOPS! Re: [sdiy] pre/post switch

[markus]

looks great thanks!!
-m

At 05:50 PM 3/5/02 +0100, you wrote:
>OOPS! I mean
>
>b-a-d
>d-c-f
>f-e-b
>
>translation from pencil sketch to typed message ;)
>
>mark
>
>BTW. each typed line is 1 pole. since it's 3 letters each way....
>
>mark verbos wrote:
>
>>I don't think that's what he wanted. I  imagine Marus was looking for this.
>>
>>a = input
>>b = in of first module
>>c = out of first modules
>>d = in of second module
>>e = out of second module
>>f = output
>>
>>then you need a TPDT switch wired like this
>>
>>b-a-d
>>d-c-f
>>f-e-c
>>
>>
>>when it is in the "left mode" you will have input-first module-second 
>>module-output
>>when it is in the "right mode" upi will have input-second mdule-first 
>>module-output
>>
>>
>>am I right?
>>
>>mark
>>
>>
>>
>>Scott Gravenhorst wrote:
>>
>>>Like this:
>>>
>>>                 +----------------  out 1
>>>                 |
>>>A ----------*   *   *
>>>              \     /
>>>               \   /
>>>                \ /
>>>                 X   <--- no connection at X
>>>                / \
>>>               /   \
>>>              /     \
>>>B ----------*   *   *
>>>                 |
>>>                 +----------------  out 2
>>>
>>>
>>>
>>>
>>>
>>>"Scott Evans, Gen Mgr" <esresource at earthlink.net> wrote:
>>>
>>>>If your question is to route two signals to two destinations it would be
>>>>as follows:
>>>>
>>>>The each signal would be routed to the center poles of the switch. The
>>>>destinations would be routed to one side of the switch. The other side
>>>>of the DPDT would cross connect (like an X) to the destination sides so
>>>>that flipping the switch would alternate to the other destinations.
>>>>
>>>>I tried drawing this in ASCII with no success. Perhaps some talented
>>>>artist can do a gif.
>>>>
>>>>Scott
>>>>
>>>>markus wrote:
>>>>
>>>>>how would you wire up a simple, common (DPDT?) switch that routed a signal
>>>>>from A to B, or B to A depending on the position of the switch ? no fair
>>>>>using relays!
>>>>>mark
>>>
>>>=========================================================  - Government: 
>>>The other religion.
>>>- The media's credibility should always be questioned.
>>>- Lambs who lie down with lions are lunch.
>>>
>>>-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
>>>-- Linux Rex         | RedWebMail by RedStarWare
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>>>
>>>
>>
>>
>