Arduino Speedometer

The idea was to be familiar with the game and start KISS. So, before decide where to place in the Layout, I plan for a “portable” one ( so it can be used also on a modular layout during meetings ?)

 

Bron : http://model-railroad-hobbyist.com/node/20163
Bron : http://forum.beneluxspoor.net/index.php/topic,64725.0.html….