Ubox 4 Firmware Download

Recently, we have received some reports back to us that their Uboxes were damaged not long after receiving them. After investigating them, we have found that most of the damages are linked to the uncorrected firmware upgrading.This article is the guide to deal with the firmware of the Uboxes.

When we started the Spintend, the first product we designed was targeting the V6 grade dual ESC without DRV8302. Benefited by the low material cost, and the new 75 300 project at that time, we adopted the excellent MOSFETs and drivers with 75 300 HW design principles. The design result was a surprise. We are not fast learner, the market and the money in our pocket did not allow us to have much time to maturing a single version. The Uboxes have two fields in changing: The VDD and the MCU IO.

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If you accidently update default firmware in vesc tool (before 6.00 version firmware), then DON'T DO MOTOR FOC DETECTION. Just remove motor connections, update correct firmware to ubox, it still can work normally. If you already did FOC detection on motor, then it may alreay damage Ubox, there is no easy way to save it .

We investigate with customers and verified at least 3 people update wrong firmware or wrong way to update firmware to cause burn case, we highly attention on such kind of failure, still sincerely suggest user to use fuse between ESC and battery for protection no matter what VESC do you use.

By lack of manpower and not familiar with github, and for after sale support, we were not committed the firmware support in to VESC code base before, we provided customized firmware instead. But with the increase of Ubox family members, it is a bit confusing to distinguish these hardware. And sometimes, users will unfortunately updated the wrong firmware, caused faults, even damages.

In prudence, we claim the nominal current of Uboxes are within 100A, how ever, some users are giving Uboxes more exaptation, they want to run at higher current, and want to try the original 75 300 R2 or 100 250 firmware.

I never thought of it that way - but I guess the brake current in the balance app means that technically the motor is running. When I first started playing with firmware changes my son once stepped on my board and rode away in the middle of a firmware update.... Agreed - hitting that upload button should stop the motor or switch the app to something safe

Also I tried a few different sleep commands with specified wake up times but it seemed to make no difference. I also checked the time that the balance app loop takes to run (excluding sleeps), and it sat consistently at 0 microseconds (not sure if that means its fast or i measured incorrectly lol).

I opened an issue for this, but thought I'd share in this thread too - selecting "No App" prior to a Firmware update is a bad idea - doing so disables/brakes Bluetooth forcing me to connect via USB to recover. For now I'll be selecting the UART app for firmware updates...

I now always switch to the UART app before uploading firmware, so no more current spikes. But the clunky motor noises are still there and I can't figure out how to get rid of them, and the transition to/from sensorless is also very scary (grinding noises). I had to go back to 5.2 last night so I could enjoy a little evening ride...

Sorry if this is the wrong place to ask this question - but can you point me to any tutorial (document or video) that explains how to properly calibrate and tune a hall-sensored motor by hand? I feel like the whole balance board community is just relying on wizards but nobody seems to understand how to properly troubleshoot or calibrate a motor manually. I would love to use 5.3 but right now I can't even focus on the new features since I can't get my motor control in order

it's not 100% related to FW 5.03. I'am running 2 x focbox unity (can bus) with FW 5.02 . When I do the motor wizard all wheels are spinning and it seems everything is ok but at the end it just shows me 3 of the 4 Motors in the motor detection list. With FW 5.03 it just shows me 2 Motors. Only with FW 5.01 all motors are shown correctly in the list. In all FW Versions all 4 motors are working when I use the remote.

Still trying to figure out why my motor runs like crap with 5.3, and also why a perfect 5.2 configuration when applied to 5.3 doesn't run smoothly - I noticed that the "Current/Voltage offsets" feature is a feature that appears to be enabled by default. Is there a safe way to disable this feature entirely? I can set "don't calibrate on boot", but what offset value disables the feature entirely? 0? Or 2048, which appears to be the default? Thanks!!

Yay! Beta26 magically fixed my motor issues. Now when restoring my 5.2 config my motor suddenly runs like a charm. It's a bit different, felt a bit weird at first at low speeds, but overall it's potentially even better than 5.2! Great work guys, whatever it is you did, thanks!!

hello I have a 4.2 flipsky vesc and I just did the firmware update that changed it to 5.2 as the latest firmware and now my throttle doesn't show up nor work to spin the motor but I can still use arrow keys to spin the motor? I have no clue HELP NEEDED

FWIW - with CheapFOCer, LittleFOCer, and BalancePro the odometer still gets reset on a firmware update. Do those VESCs simply not support the required EEPROM? Are there VESCs where the odometer survives a firmware update now?

Currently the odometer only works with hardware that has a shutdown function, as saving is triggered from there. It could probably be done when the input voltage drops below some level, but that has the risk of corrupting all eeprom emulation and thereby reset the motor configuration on the next boot.

What I did in another project was writing odometer value at the moment when RPMs or speed go from any number to 0. With some wear leveling, it can be a viable solution for the life of the controller. Some data can be lost only in an unlikly event of shutting down the controller while the motor is still spinning.

Mitch's Dterm filter commit in beta37 breaks compatibility with all previous betas and FW 5.2 - may I suggest that we reuse the old Dterm filter config value for the low pass filter value (we could change just the label, not the config value name), this would allow users to try the latest beta by just restoring their previous config.

Overall super smooth, the VESC-Tool on Android has some quirks, if you stay connected for a long period datalogging and go-to change a motor configuration it totally breaks and goes back to default settings in my case the wheels move opposite directions, disconnecting and reconnecting before a motor change seems to keep this from happening.

I managed to blow up a FOCBOX Unity with the 5.03 firmware, but there are ton of different non-firmware-related things that could have caused it. The specific failure mode is a big two-terminal device near the battery-connector-side hall connector burned up (unfortunately the silkscreen label got burned off), and it seems to have taken out the DRV chip on the same side out as well.

I had it configured with FOC and hall sensors and it was working beautifully at low speeds, but when I took it outdoors and descended a really gentle slope at maybe a brisk walking pace I heard a sizzle and smelled smoke. I pulled the battery cable and took it indoors to check out the damage. Turning it back on briefly led to more smoke from the same part.

been ripping on it pretty hard, i will say there is a definite funky issue when braking as it switches from sensorless to hall as it follows the threshold ERPM when modifying it, the issue only happens in hall mode, tuning the PI controller made it 10x worse as its trying to correct more aggressively, ill be switching modes until i can diagnose is further.

Edit: Did more testing, its like when it gets back into hall sensor mode its position is backwards causing it to act like cogging, very funky. Maybe something to do with one of my motors being inverted? I don't think its why yours toasted though :-\

The field weakening i raised up to 93% and same with the Q axis setting to match under advanced but it seems to always activate at 87-89% ? unless i'm reading incorrect and thats just when backEMF starts to hinder performance a ton.

Hello, I'm not very expert about Vesc configuration but I wanted to try this new firmware because the cogging start with HFI when you need a little more torque from standstill really brother me (for example when you start with the wheels stuck in tall grass or mud) and there was even the problem that quote often, mostly giving just a little throttle from standstill or using smart reverse, one wheel turn in the wrong direction. With my configuration (Trampaboard with 6376 160kw and Vesc hd60) this firmware works so much better than the previous version!! When you start you have just a moment of noise, the "whistle" is really for a tenth of a second and is much less loud then with the HFI mode of the 5.02, it give me so much torque and even power, with not load even the speed of rotation of the wheels Is more, zero problems with the wrong direction of the wheels (never happens), and much less cogging from start. The cogging is still present if you need very much torque starting from standstill but is significantly less and It happens much less. Very quiet and I'm not sure but it seems to me that it heats less. 152ee80cbc

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