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[quote]QUOTE: I've built some electronic circuits, but don't reli***he thought of trying to build anything as small as a decoder, or the computer on the train you are suggesting. [:)] <br />[/quote] <br />Hello there, <br /> <br />The wow factor disappeared from DCC many years ago. You can get simple embedded systems for Lego that make DCC decoders look lame. The 6-7 year old Cricket is about the size of a 9v battery and would control 2 motors and relay from 2 sensors communicating through infrared. Of course scratch built systems would do more and cost way less and circuits for this stuff abound on the internet. Google embedded computer systems and check some of the 2 million plus hits.
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