The vehicle is identified as vehicle collection.
It rolls bit! It is no longer necessary to made ??technical control. (Every 2 years in France)
The insurance does not provide / not cover the vehicle, but the damage to third parties.
It run on E85. No injection (Carbs ]:)) or other electronics stuff.
If i'm here, it's to find a solution, more safely than serial
like : Winterground Fairlands - A World Of Funmagineering!: Daisy Chaining Serial Connections
Or http://marcoramilli.blogspot.fr/2011/10/communication-between-multiple-arduino.html