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I’ve been hiding. I’m pretty good at the hiding. But I haven’t been idle, no: I’ve been working on a prototype DCC system. This first prototype is very rough, very rough, but I aim to spend the next year or so making a usable user interface, reworking the hardware for manufacture, and commercializing it. [...] 
 Ah, the classic lines of the original Bullet Train. The DCC installs are back. I’ve got a ton of photos, and I doubt I’ll post all of the work I’ve done in the past several months, but with Kato’s recent re-release of this model, it seemed appropriate for the latest update. Where have I been the last couple of months? Designing my own DCC booster, that’s where. You can find out more, and purchase a kit, on my other blog: Railstars.  651系 cab car. Finally, a return to my long neglected 651系! In the first and and first-and-a-half parts, I upgraded the factory-fitted interior lights from bulbs to warm LEDs. Now the time has come to deal with the headlights. Thankfully, this conversion proved quite easy using a TCS FL4 function decoder, which is both small and capable of handling the in-rush current from the bulbs. 
The Tomix “Yumekukan” is a fun model. The highlight is the three unique coaches at the end: One very first class sleeper, one lounge car, and one dining car at the very end. Last year I installed a decoder into the baggage car; today the dining car (OSHI25-901; オシ25-901) is the focus. The dining car has working table-top lamps, direction-sensitive marker lights, and a lit drumhead: All powered by a very tiny, all surface-mount circuit board that defies dissection. Read on to see how I used a TCS Z2 to convert this carriage to DCC. I’ve decided to try to segregate my posts into two categories: Model railroading posts of interest to a general audience, and posts about electronics of interest to a more restricted audience. To this end, I introduce Railstars, my new blog about model railroad and general electronics. I’ll still cover my DCC installs here, but [...] 
 The completed install. This must be a new record for me: Two successful decoder installs in four weeks, nothing dead or fried. The Skyliner motor car is, thankfully, a straightforward install with only minor gotchas. Now, to find the funds for another Z2 to complete the second cab car! 
 A Keisei AE100形, headlights blazing. Ok, yeah. I said my next DCC conquest would be my Kato 651系 “Super Hitachi”. I lied. Besides, I said that, what, six months ago? I don’t have the necessary decoders on hand to continue work on it, but I did have the necessary decoder for this model, the Micro Ace A2896 Keisei AE100形 “Skyliner”. What makes this model challenging is that the headlights and the markerlights are not lit by distinct LEDs, but by a single bi-polar bi-color LED—a single monolithic LED that cannot be split apart into two distinct circuits for control by two distinct motor leads. Read on to see how I got it working. One of the reasons that I continue to buy TCS products for my own installations is that they have, hands down, the best tech support I’ve ever encountered for, well, anything—including telling me when to stop using one of the products. [...] Here’s a guy on the cutting edge of modern model railroading. If designing and building your own DCC booster and command station doesn’t establish your model rail electronics creds, I don’t know what does. Lately, Steven’s been experimenting with using the Arduino platform, and churning out some really interesting proof-of-concept circuits for automatic control [...] |
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