Author Archives: mark

Fun with Arduino!

Many of the new products I have in development are based on the Arduino platform, so I have begun a series of videos to introduce the technology.  The first two episodes are out, and there are many more to come. … Continue reading

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Resurrection!

It’s been a while since I’ve updated this site.  For that I apologize… I’ve been “nose to the grindstone” on product development, and there hasn’t been much news.  I’m going to change that, though. For starters, I’m announcing a layout … Continue reading

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What the heck is a BDL Blank?

So, Digitrax has this wonderful block detection board called the BDL168.  It’s great for detecting trains and all that, but it has one drawback… What if you need to remove it for some reason but you want to still be … Continue reading

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Under Table Sound

Now, I’ll state right off, that this was not my invention.  But some folks might find this little circuit a useful and easy way to implement the idea. Check out Lance Mindheim’s April 20, 2012 blog entry on under-layout sound … Continue reading

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Fixed it!

If you compare this photo to the ones in yesterday’s post you’ll notice three important things. There’s a blue wire running between R5 and pin 2 of U1 There’s a scratch on the PCB just above capacitor C2 The LED is not … Continue reading

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This is why we build and test prototypes

I got all the parts in for the prototype SensorBit-C boards, so I built up the first one to see how we did.  There is always this expectation / hope that it will just somehow work the first time you … Continue reading

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Hello world!

Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!

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SensorBit-C Sneak Preview

Here’s a sneak preview of the SensorBit-C! The SensorBit-C is a CT-coil current-based block detector board for DCC layouts.  It comes in two flavors:  the SensorBit-C with a built-in coil and the SensorBit-CW, with a connector for a remotely mounted … Continue reading

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New Products Previewed

I’ve added preview information on a few new accessories in the Accessories section of the Products pages.  Have a look! I’ll be adding pricing and ordering information soon…  

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Welcome to Appalachian Rail Technology!

Welcome aboard! This is a new adventure for me, combining my love of trains and my many years of interest, training and work in electronics.  I’m not quite sure where this will go, but we will find out together, eh? … Continue reading

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