Some demo of the various screen of OBDuino v0.30. As it can poll 100 PIDs per second it shows that you can have more than 25 display updates per second. It also shows the animated arrow that can go up or down depending on your current fuel consumption compared to your average.
See http://OBDuino.ca for more info
This firmware is only for the OBDuino CAN version
OBDuino 1 year ago