04-10-2010, 09:38 AM
If you want to alternate flashing lights (as in a crossing signal) there is a relatively easy circuit you can build using a 555 IC, and a few other components. The cost of the parts will be less than 5 bucks.
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Kevin
Check out my Shapeways creations!
3-d printed items in HO/HOn3 and more!
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Kevin
Check out my Shapeways creations!
3-d printed items in HO/HOn3 and more!
<!-- m --><a class="postlink" href="https://www.shapeways.com/shops/kevin-s-model-train-detail-parts">https://www.shapeways.com/shops/kevin-s ... tail-parts</a><!-- m -->