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Reply to "Multi-function train detector brainstorming. Ideas wanted!"

stan2004 posted:

 

While brainstorming is useful, I think the sky's-the-limit, kitchen-sink approach can bog down.   So while I am a proponent of clearly identifying the what before choosing the how, if the what is so open-ended as to be ill-defined then maybe the hammer-nail approach deserves a look. 

Agreed. 

Not only the "what" but also the "who."

If you are serious about making this a product, exactly who is the market? A person who understands fiddling with Arduino hardware and sketches is going to build his own because it is so easy. If it is intended to be a product for most model railroaders any necessary "fiddling" is going to be an issue.

Based on long experience in industrial control systems I suspect you will find the programming the easy part, the nuts and bolts of the I/O and the documentation will be the big choke point.

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