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Thread: Brake input not working correctly

  1. #1
    Potential Tuner
    Join Date
    Sep 2021
    Posts
    1

    Brake input not working correctly

    It seems that the brake is either on or off. I can't figure out how to make it show if I am pressing like 20 percent brake. Any idea of what settings I need to change?

  2. #2
    Advanced Tuner
    Join Date
    Apr 2018
    Posts
    294
    This is usually determined by the quality of the input data file. Some cars have PIDs that can be read with OBD2 for brake pressure, but others do not. I can use RaceChrono to setup a custom channel which reads brake pressure from my ABS module, but this doesn't seem to be accurate at all and doesn't seem to reset back to 0 correctly; so I typically leave it off of my videos.

    Can you share your data file? What app are you using to record it?

  3. #3
    Potential Tuner
    Join Date
    Apr 2021
    Posts
    7
    Same problem here, guys.

    Wondering if you know of a fix for the brake indicator issue I'm having. I have tried using different inputs including ACCELERATION and Brake (Calculated). The Brake and Brake (Calculated) seem to be binary data. "On OR Off" To analyze my track driving I really need to see when and how much I am applying the brakes (and releasing them). My setup is Kiwi 3 in a Porsche GT3 991.1 to TrackAddict in an iPad Mini. XGPS160 GPS at 10hz...Output to RaceRender and utilizing the gauges I built a while back.

    This link uses brake input. https://youtu.be/aOQ_Q4tEpAg Clearly On or OFF

    This one utilizes ACCEL input: https://youtu.be/om8NRH9NiKs Better but jerky.

    Ive wondered if I could apply an algorithm to the spreadsheet data column and "normalize" the data to smooth it out.

    Thoughts?