rhikdavis

Originally Posted by PennsyPride

.................................................. ...............A|______________________________|B. ....................... C|_____________________
_________________________________________/________________________________\_________________/_______________________D


At A,B and C you want to electrically isolate the track from the main. This can be done by using insulated joiners or physically cutting a gap in the rail and inserting some plastic

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Originally Posted by WP&P

I'm sure you'll hear from some DCC enthusiasts that it will probably be simpler overall to go that route; you just feed power to the rails, without worrying about switching certain segments on or off. You can get a decent starter DCC controller and engines with decoders already installed, so as far as setup goes the only extra step might be programming (i.e. configuring the controller to recognize the engine).

I'm not a DCC guy; I'm Old Skool, using toggle switches to assign discrete

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https://photos.google.com/share/AF1Q...M0Nm9hVzRPZlFB

Originally Posted by Ender

It's unfortunate that some electronics sites haven't caught on to SMD LEDs as a item hobbyists like us would enjoy. But there are sources.

eBay is a great place to find just about anything electronics related, especially in quantities that are manageable for modelers. You just have to know the terms to search for. If you look for SMD LEDs, you'll see there are lots of different sizes and colors. You can see the sizes from this handy chart from Greg's article on Model Railroad Hobbyist:

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Originally Posted by Ender

Finally got around to building my 4-way stop light:



This is made from a 3mm red LED with bits of heat-shrink tubing cut to fit as shrouds. It's tied in to an Ngineering flashing circuit.