There’s a number of good references on the net where folks are using the Arduino to control various aspects of their model railroad layouts. Here’s a number of interesting projects: Become the Maker you were born to be. Try Arduino
Our 4 line 20 character white on blue display from Hacktronics is alive and well. I uploaded the sample sketch and wired the display according to the tutorial that is posted on their website, and everything worked like a charm.
Hackspace is a local geek club for playing with electronics and computers. Ok, could I get more condescending? Hey, I’m a linux / microprocessor geek myself. Anyway, a local club develops with a facility and tools that are shared with
The Lithium Backpack is a Arduino accessory that will power the Arduino when it is away from a computer or a wall power. These products are sold at Liquidware (no longer available) for under $34 each. http://antipastohw.blogspot.com/2008/06/how-to-install-lithium-backpack-to-your.html Other options – http://timewitharduino.blogspot.sg/2011/09/rechargeable-battery-shields-for.html
This valuable little book offers a thorough introduction to the open-source electronics prototyping platform that’s taking the design and hobbyist world by storm. Getting Started with Arduino gives you lots of ideas for Arduino projects and helps you get going
Kevin Darrah explains in this video how to interface a GPS chip to the Arduino. Make your own lojack, navigation aid, autonomous vehicle and more. Become the Maker you were born to be. Try Arduino Academy for FREE!