I asked a C&O modeller for signalling information and he sent me this link on C&O signalling.
http://broadway.pennsyrr.com/Rail/Signal/aspects_us_co.html It should answer a few questions. ken On Wed, Aug 31, 2011 at 11:02 PM, ken garber <[email protected]> wrote: > There are also bi-colours with two leads. > > KG > > On Wed, Aug 31, 2011 at 9:00 PM, <[email protected]> wrote: > >> Jamie, >> >> Bi-Color LEDS have 3 leads, a common and the two colors. A "flip-flop" >> relay could light them. DALLEE has the solution, I'll try to find it in >> AM. >> >> Jim Lyle >> >> >> In a message dated 8/31/2011 5:06:06 P.M. Eastern Daylight Time, >> [email protected] writes: >> >> Do the electronic devices that folks use to drive these signals have a >> preference for making the plus side or the minus side of the LED's the >> common? >> Of course LED's will only light with the correct polarity. Any >> thoughts >> >> >> [Non-text portions of this message have been removed] >> >> >> > [Non-text portions of this message have been removed] ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
