Wrote a simple graphical indicator frontend using the MeeGoTouch framework and Nobdy.

[media]http://www.youtube.com/watch?v=csIKNDOCPZI[/media]

Also a neat little feature, it graphically shows you the maximum value you've reached on the indicators. This doesn't show up in the short video, so here's a screenshot:

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It won't be available to use for a while. I need to package and stuff. Credit to malcom for writing an excellent obd library and also to chunky kibbles for his obdsim which I used in the video and testing.