DCC - Electrical
wire size #AWG
What size wire (#AWG) should be used for DC & DCC? From the transformer to the rail?
SMA18 DCC Control for Random Building Lighting
Many modelers have used Arduino Pro Mini’s to get great animated lighting effects in their buildings (MRH November 2014, Starting from Scratch with an Arduino Pro Mini (or Moteino) http://mrhpub.com/2014-11-nov/land/#99 and SMA8 Starting Projects and Virtual Rooms for Modeling.
Atlas Silver FM Train Master DCC Light Conversion
Good evening...I'm working on converting an Atlas Master Silver locomotive to DCC/Sound. Question is, can I use the light boards that come installed or do I need to find a lighting kit for the conversion? Been awhile since I did a decoder install and this is the first of these light boards I've encountered. Any suggestions would be helpful for sure. Thanks!
Speaker wiring
Quick question regarding speaker wiring. Railpro is capable of impedance loads anywhere from 4 Ohms to 16 Ohms, and will output 2 watts and 0.5 watts respectively at these impedances. I'm using 8 Ohm 1-watt max speakers. Up to this point I have been wiring them in sets of 4 as series-parallel, so I have been right at 8 Ohms, 1 watt.
Weller iron and soldering to frogs
As work progresses on my new layout (old was DC), I've now soldered my first feeder to the frog of a Micro Engineering switch, that little nub underneath.
Black Electrical Tape for DCC installs
A few months ago I bought a used Bachman H16-44 with DCC installed. It worked but I wanted to play with the CVs. I got curious about what decoder was in it so I took it apart. The entire decoder and wiring were taped up like a cocoon with black electrical tape. What a gooey gloppy mess to take apart. Some mineral spirits and Q-Tips and about a half hour of scrubbing removed most of it. I re-taped with Kapton and the install looks much neater and I know will stay put without the gooey mess. The decoder can breathe too.
Layout Update: End of June 2015 - Part 3
The staging level had been completed and running for several months and I had been inching along on the main level due to a lot of diversions to my time in the layout building. But now, I have finally been making some progress on getting a major portion of the visible part of the layout in working condition.
TCS A4X Decoder Start Voltage
I just finished installing a TCS A4X decoder in an Atlas Classic C424. Everything works but I cannot get the start voltage low enough. Or low enough for me. I am using the 3 step table. I have the start voltage CV set to 1, the Mid set to 128 and the max to 255. At speed step one the locomotive starts and smoothly moves along, but it is faster than I would like. I feel I should be able to get it to creep slower. I considered using a 28 step speed curve but can't see how that would help me get a lower start voltage. I have an NCE PowerCab setup.
TCS AX4 Decoder install
I am installing a TCS AX4 decoder in an Atlas Classic C424. The motor part is done and working fine. I am intending on replacing the incandescent lamps with LEDs. In the front, there are two lamps, one for the headlight and the other for the number board. The AX4 has built in resistors for LED installation. Can I run 2 LEDs off the one connection? Essentially, running them in parallel.
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