Track and electrical/DCC

Laser Occupancy Detection

Wed, 2014-11-26 12:03 — DBodnar

There was a recent discussion of occupancy detection methods on MRH (see: http://model-railroad-hobbyist.com/node/20240 ).

I would like to add another option that involves using a small laser and phototranistor to detect when a train is occupying a section of track.  I use this method rather successfully on my HO module.  A laser detects when a train is on the main line so that another train that runs only on my module doesn't cross the main track at an inopportune time!

Crest HO Train Engineer Radio Control System

Wed, 2014-11-26 03:14 — DBodnar

Good  day -

In 2007 I began working with Aristo Craft to help with the design of a new large scale radio control system.  This came to be called the Train Engineer Revolution and has been adopted by large scale hobbyists throughout the world.  The system was designed to take advantage of 2.4 GHz frequencies for interference rejection, range and reliability.

Older Soundtraxx LC Sound Decoder Issues...

Tue, 2014-11-25 21:08 — SteamDieselGuy

Hello Folks,

I purchased a steam locomotive several weeks ago, and today got around
to trying to get it put together and running properly. It came with one of the
older Soundtraxx LC series decoders. ( DSD-090LC Micro #821101 )

I am having problems with the sound. I have been through everything I can
find online for trouble shooting this thing, and am running out of ideas here.

Here's what's happening (or not happening)...

FKD's picture

Vintage Arnie Turn Table

Mon, 2014-11-24 22:43 — FKD

I have an Arnold Rapido Turntable - it is old.  "Made in West Germany" old. 

pierre52's picture

First Steps with Arduino

Sat, 2014-11-22 01:13 — pierre52

I have been following Dr Geoff Bunza’s posts on using Arduino in Model railroading with great interest.  His article in the November MRH then gave me a great deal more clarity on the possible uses of this amazing little chip plus the article gave me a eureka moment on a problem I have been facing.

Bing's picture

Brass track

Thu, 2014-11-20 21:21 — Bing

I know the best answer to this question is "Throw the stuff out!". But humor me for a while and give me your answer to: What are the main reasons to avoid brass track? and any answers to: How to best overcome these named problems. Seeing that it was used so long before N/S came along, some must have dealt with it successfully. I ask this to be able to answer others on the "evils" of brass. I know the best conductor for track would be GOLD, but its a little out of our price range.

Need a turnout repair

Thu, 2014-11-20 07:36 — 187

Can anybody give me a lead or a link to JSW on ebay who builds or sells custom turnouts? Blayne

robertw144's picture

Code 100 vs Code 83

Wed, 2014-11-19 17:18 — robertw144

Good evening:

Chuck P's picture

Building Occupancy Detection

Wed, 2014-11-19 08:09 — Chuck P

I've got a finished building about 22" long that has two tracks running into it. Each track has wheel stops at the end. I'm thinking of some sort of detection system to light an LED on a control panel when something approaches the last few inches.

There are certainly many products out there that could do it including IR detection and DCC occupancy detection (if there was a gap in the last few inches of track.)


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