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  1. B

    EX Custom iOS/Android App

    I figured I'd circle around on the "missing cell groups" issue as its been cropping up a lot more on Facebook. I was hoping someone might have more industry knowledge or experience with lithium packs and be able to confirm my current theory. However based on everything I've seen so far I am...
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    New VARG Software Update.

    From my research/understanding the primary blocker is the firmware and VCU support, the app itself is fully compatible between hardware revisions. Based on everything I've seen I don't think they will ever bring these features to the old VCUs, it seems like a lot of work for a increasingly small...
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    EX Custom iOS/Android App

    Stuff you would expect, BMS, inverter, etc. I've seen a few photos of the new warnings screen in the app and it looks like they want it to be a modernized version of a typical diagnostics/OBD fault-code log. You can use the viewer app (Svag) to re-export it as JSON, right now CSV is not...
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    Stark Varg SM enough range for my use?

    40mi is very doable, although 30mi at 60mph is maybe not. For reference cruising around 45mph usually nets me 1mi per 2%, 60+ will give you more like 1mi per 3-5% which is quite bad. I have a few range-test videos w/ the phone and mileage overlays on YouTube done on my EX with 17s (so very...
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    EX Custom iOS/Android App

    Actually some interesting changes in the latest app versions: Added a ton more error and warning messaging for faults in the BMS, inverter, etc. Unclear if this is visible in the UI yet, but seems like they are trying to give users access to more information that was previously not shown. Added...
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    EX Custom iOS/Android App

    Ah well most certainly its them enabling the new BLE stuff I saw before. When I have time I'll look into the 2.8.x app versions and see what it takes to replicate/support in Svag.
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    New VARG Software Update.

    Unless its changed in the most recent version, the dashboard ODO and ride stats ODO is based on the VCU. The VCU number is constantly updated and kept accurate based on the pure number of rotations of the motor (meaning it will not be accurate with gearing changes). This only applies to vehicles...
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    How to remove the connectors box lid" (I think)?

    Just pull it up and away from the hub, the little bump (and hole above it) in the very top of your photo is the tab which indexes it onto the hub.
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    Maximizing Range for the Stark Varg

    I did a bunch of research on this when I was exploring the inverter/motor parameters the VCU exports. I am very much a novice in this area, but the points that stuck with me are: Electric motors have a much wider range of performance properties than you might assume. Even small changes in the...
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    EX Custom iOS/Android App

    Yes, tapping into the CANBUS should be possible and would likely give 90% or more of the same data. I looked at sourcing the front-panel higo connectors last month and it seems maybe possible, that'd make it a lot easier to create a more "refined" product that just plugs in and sits up front or...
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    EX Custom iOS/Android App

    As an update for those still using Svag, I have a new version (v1.6.6) which should be available on iOS and Android (closed-testing) sometime this week. This is finally wrapping up some work I did to improve the Bluetooth connection flow, it should reduce a lot of the issues connecting (at least...
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    New VARG Software Update.

    Two minor things I've noticed with 1.6.0 on my EX so far: - The contactors seem to operate much faster when turning the bike on/off - When turning off the bike under 20% it no longer seems to go into deep sleep mode automatically, it still just sits in hibernation. I noticed it coming home...
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    New VARG Software Update.

    I just got 1.6.0 today, went to go for a ride and noticed the status-led having a little disco party and rapidly cycling through the colors of the rainbow. Cool effect but in the moment I assumed something was messed up (especially given the control inputs do nothing) and played around with the...
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    EX Custom iOS/Android App

    The best starting point would be the svag-mini repository, that implements all of what you want above. Because I built that on the ESP32 BLE stack it doesn't contain any of the PIN generation code because I found that wasn't required. I'd like to publish the app but I decided to wait as Stark...
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    EX Custom iOS/Android App

    I'll take a look when I get a chance, I haven't tested on the Arkenstone in a while so it's very possible I broke something.
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    red battery warning light ??

    Pretty sure 1.4.0 is the bugged release, I think 1.5.0 is the latest now although I'm not sure how they are rolling things out.
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    New VARG Software Update.

    Seems like me either, and it's not like I've done anything to deserve it... 😅 I think they've been basically spending 100% of their effort aligning everything to the new VCU and firmware so that the MX/EX/SM can all share the same work and benefits. Now that they've finished that work with...
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    Custom ESP32-Based Display

    Ah! I think Alta was on to something with the simplicity and usability of their interface, its a shame Stark wants to be so fancy at the cost of any functionality... Are you pulling data from CAN or BLE?
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    Custom ESP32-Based Display

    Ah yes that was some of the inspiration for sure! I think their approach is probably better in many ways as tapping into the CAN interface lets you still connect the phone, and probably access some more data as well. I've been meaning to poke into the EX connection hub to see if there is an easy...
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    New VARG Software Update.

    Slow rollouts of updates like this help catch potential issues before they cause wide-spread problems. The issue folks are seeing with the battery warnings is why you want to take an approach like this. While Stark probably should be doing a better job at internal QA you still cannot test for...
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