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Unity FW updating bricked my 4.12 HW

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yuvikal
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Unity FW updating bricked my 4.12 HW

Hi guys.

I was stupid enough to update my FW to FOCBOX Unity when i have the VESC single motor controller 4.12 HW. 

Now it's bricked.

Is there any way to rewrite to whole thing again when i can't connect to it?

Any way to erase it and reinstall maybe?

Thanks.

 

skyline1970
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Joined: 2017-09-07 22:28
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yuvikal
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Joined: 2019-12-12 21:24
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Thanks but I just want to make sure that this procedure is doable for VESC 2 or what some call VESCX for a single motor.

Do you guys have a good recomendation for a reliable ST- link?

 

Uv

frank
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Joined: 2016-12-27 20:19
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Any clone from ebay. Do not connect 3.3v! CLK, IO, GND is enough. If you have a second vesc, you can also use the second vesc as a programmer. Vesc tool has a feature called SWD PROG.

Watch Benjamin Vedders YouTube channel! 

Fernando_ody
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Joined: 2025-07-22 00:37
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Hello everyone. I need lot of help. First of all sorry ,English is not my born language and I am an amateur in terms of VESCs,etc. Some year ago I built myself a skate board with VESC 4,12( this was in 2018) using 2 X3S batteries total 6s. I also used a Turnigy 245v motor. Ran ok for a while. Than I built another battery bank with 40 x 18650 batteries( 10S  total) it was perfect. After some time stopped i make it happens again, now with 2 x 6S batteries, total 12 S and 8 amps. I updated firmare using an updated VESC tool and set the parameters. The acceleration curve is not good and it has some failures, like some cuts. I was checking the Motor spec and it seems that cannot support 12S but maximum 10S. I am not sure about the Vesc hardware capacity. Can anyone help to understand and maybe make the right configuration for this combination??? Thank YOU

 

 

tokerodev
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Joined: 2022-11-23 12:32
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maybe cut from over voltage, you could check it with the battery 30% charged