Battery Vehicle Society

Hello!
I have an on-board computer built for my CityEl the always shows me the current battery level.
Furthermore, the voltage, current, speed, battery temperature and the possible range are displayed.

http://www.youtube.com/watch?v=lpKu-Jv0ZuM

Lerry

Here are a few pictures of it:

Ah the good old arduino, what did we do before them those and the Raspberry Pi have a lot of things to answer for

ChrisB