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  • RPM refresh speed

    Hi, I am using the following items:

    1. elmscan 5 usb
    2. dashcommand
    3. car 318i yr2003

    I've noticed that the rpm is lagging. Anyone know how to fix this? Have search forums in scantools.net , mp3car and palmerperformance.com but did not find much info on this.

    TIA

  • #2
    Lagging by how much?
    It won't be realtime....

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    • #3
      IC...thanks for the information

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      • #4
        Originally posted by OldSpark View Post
        ...
        It won't be realtime....
        What's the expected lag then? Thanks!
        PriiDash(TM) open source software
        Enhanced Instrument Panel and Data Logger

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        • #5
          Probably a Iso protocol (9141-2 or 14230). It depends on how much data you're reading.
          With one item (only rpm) something like 100 mili-seconds, with 10 items something like a second.

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