Doubt about dpdt switch

All frequent questions on switching: true or not true bypass, transistor-based or mechanical.

Doubt about dpdt switch

Postby joaopereira » 28 Feb 2013, 20:40

Hello!
i bought a F435A which is a dpdt switch.
i would like to do the millenium circuit because i want the LED to go on when i switch on.
i got this pdf which explains the wiring very well but i have two doubts about it

http://www.generalguitargadgets.com/pdf ... gi_mil.pdf

First: my switch doesn't have any indication in any part so i can't distinguish the lugs. i cant do the wiring without knowing is lug is what. is there any instruction guide ou video that explains how to recognise this lugs?

Second: in the pdf, i think it's an error, one of the lugs of the LED doesn't appear linked. where do you think should be linked?

Thanks
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Re: Doubt about dpdt switch

Postby karul » 28 Feb 2013, 22:49

2) LED's leg should be connected with GND, btw, LED's cathode side (the shorter leg) is slightly flattened as you may see on the diagram

1) just follow the instructions - you can't go wrong

Use your multimeter and check the continuity in both positions:
you should have continuity between A-C and B-D - in one position
and C - E and D - F in the other position (see the picture below)

There's a nice video from Mark Hammer - The inner life and rehabilitation of stompswitches
http://www.youtube.com/watch?v=6uhDKFhqYnw

DPDT switch
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Re: Doubt about dpdt switch

Postby joaopereira » 01 Mar 2013, 00:06

Thank you very much. This is very helpful!
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Re: Doubt about dpdt switch

Postby friedtransistor » 01 Mar 2013, 00:19

Also, if this helps, here's the schematic I use:
Image
For all you starwars fans...
http://lolsnaps.com/upload_pic/TheDarthFader-19337.jpg

Sorry, downsized by request.

Did I mention I love bass?
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