Well, I dug out one of my favorite engines to do a decoder install but sadly the sound decoder I wanted to install seem to be out of stock at this time, so we put in this Digitrax DH126.

I just saw the Skateboard Art stamps, so I got the idea that if cut correctly postage stamps could be used for railroad graffiti.
   

I imagine it would work well in O scale too.
Here are a few stamps and a Scooby Doo and a BB-1 from Star Wars on a few cars:

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Micro-Trains and Accurail have come out with a series of weathered covered hoppers.  The sides are nicely done but you will need to do some additional weathering on the car ends and underside to blend the weathering in.  I also added metal wheel sets and Kadee couplers.
On the Southern car I painted out the yellow conspicuity striping and added some more weathering to roof hatches , car ends and the underside.  The CSXT car had some additional weathering to the side sills, roof, car ends and underside to blend in. 
If your interested check out the website at https://micro-trains.com>product .
Bruce

   

   

   

   

Here we go and do an install of a Soundtraxx MC1H102P8 Plug& Play decoder that wasn't quite plug and play but we got r done. There was some major  motherboard rework done to make this fit under the shell nicely

https://youtu.be/TulhseHIHlE?si=BdE-E230JUdgvPJt

Almost 9 days in and no new posts. 
Here is a Conrail transfer caboose that was on the Kiski for 20+ years.     
Charlie

OK guys I told you I'd show you the good the bad and the ugly. Well, here's how I installed the Digitrax SDXH167D sound decoder and ESU 50321 LokSound Sugar Cube Speaker with Sound Chamber in my 20-year-old PROTO 2000 SD-9 that I pulled out of the Bachmann Spectrum N&W J that I could not get the sound file to load correctly.

This was a simple, quick and satisfying install that really make this engine pretty damn nice.




What do you guys think.

Here we go and install a decoder in new in the box 20-year-old Bachmann Spectrum SD-45. This one had to be hard wired in and Leds where added.

So, I needed to replace a 20yr old decoder MRC because it was no longer supported, and I use a Decoder Buddy and a Digitrax decoder.

Well Hello!
Hey guys, I have a YouTube channel and I upload videos about twice a week too. I've been doing this for a little over a year, so there's a lot of content to catch up on. I'll post links to my previous builds below, and I'll start with the new build that's coming up.
Feel free to ask me any questions about why or how I did something, or if you have a trick that works for you on doing it.

HO Hotraks module build
https://youtube.com/playlist?list=PLNYyj...gkF_KXx3QD

Long Island Ntraks module build.
https://youtube.com/playlist?list=PLNYyj...BWc0vWZMy5-

I have searched the now useless google for help with MTH terminology to no avail.

I just got an SD70ACe in HO scale and it is DCC/sound equipped with their system. It runs and works well but programming is a little bit different. 

I am trying to set the ACC and DCC rate  to zero as I do all my locomotives.  Can anyone tell me what PWM mode is on these machines? I think it has something to do with the motor control but I don't like to guess. 

Charlie