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Noone interested in a such device?

Interested, but lacking skills.
A clever guy I work with tapped into his HD V-rod bus and deciphered the signals there, then successfully created a custom user display- writing his own machine code.
He made about 25 'pre-production' units, but it hasn't been picked up for general market. Google 'v-gauge'.
In his research, he also found that there is a wide variety of signal types and a variety of data available on different OBD systems. It's apparently not so simple as OBD1 vs OBD2.
Seems custom code is your only choice... from what I've gathered, anyway.
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10101311 (20GB- backup empeg)
10101466 (2x60GB, Eutronix/GreenLights Blue) (Stolen!)