DIY DCC Command Station and Throttle

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.

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Designing a Throttle: Some Desiderata

throttle

Tomix N-DU-202-CL Throttle: Nice!

My layout is an oval of track that I occasionally set up on my desk. Sometimes I add turnouts to this oval. Some of my trains have been converted to DCC; many have not. When I want to run a DCC train, I pull out my Digitrax Zephyr; when I want to run a DC train, I pull out my low-end Tomix DC throttle. I like them both, but neither is entirely satisfactory. In particular, neither offers anything that even approaches realistic operation. Last year, I got the opportunity to do a little driving in an EMD SW1, and the fine-grained level of control you get over a real locomotive makes my Tomix throttle feel like a light switch. What to do? Get a new throttle!

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