I'm surprised nobody mentioned "log brake pressure" on this thread yet.
That's one of the most important data channels I've used.
Reading and understanding that data channel helped me unlock the last second or two of my lap times.
The only useful way to read that data channel is by listening to the CAN ID 0xD1 (decimal 209).
RaceChrono can do that, RaceCapture can do that, AIM does that.
TrackAddict? I've yet to see anyone set it up to log the brake pedal. Heck, people can't even set up the accelerator pedal correctly.
Garmin Catalyst? Can't log either pedal, yet still costs $900+.
Quote:
Originally Posted by Breezio
I use an ODBlink MX+ and mainly use it for RPM and throttle position. Sometimes gear position as well.
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That looks like a very limited set of data compared to what RaceChrono can do with the same adapter.
Furthermore, your throttle channel is not set up correctly (doesn't go from 0 to 100%)
Here's my recent video with RaceChrono data.
Notice how high is the refresh rate of all the data channels, and the range of values from the throttle pedal.
On the topic of AIM vs phone apps.
I use RaceChrono for AutoX. I can exchange data with a friend parked next to me in the paddock in between each run (~5 minutes between runs), compare and discuss our data, and come up with a "strategy" for the next run: where to push, where not to push. It's all super quick and easy when you go over the initial learning curve.
I also use RaceChrono for track days. I can review the data from my track session as soon as I shut down the engine.
No laptop needed.
I don't think you can do any of that with an AIM ...without a laptop?
Quote:
Originally Posted by CSG Mike
1hz phone systems are useless, and most bluetooth adapters do not have a high enough poll rate to be truly useful beyond the most basic "this is your lap time +- 1s", and "this was roughly your speed within a 1s window". Mostly useless.
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With an "off the Amazon shelf" external GPS I am getting lap times consistently within 0.1s of a second of the official transponder-based timing. What were you doing wrong?
Quote:
Originally Posted by CSG Mike
That, however, doesn't change the fact that the poll rate from your CANBUS is way too low.
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Which year is that?!
When using OBDLink MX+, RaceChrono gets 40+ updates per second for the brake pedal data when logging all the essentials: accelerator and brake pedals, steering angle, rpm, speed, and temperatures.
That's all the data most people need, right?
You can add more channels (wheel speeds, etc.) and still have 30+ updates per second, which is plenty for almost everybody.