BTT CanBUS devices DFU "phenomenon"

General Discussion
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Basic Information:

BigTreeTech / BIQU
MCU / Printerboard: U2C & EBB42
Not needed for this

Describe your issue:

In the event anyone else has this issue and wants to know if others have this issue. BTT is calling it a phenomenon. I think they also do not like the word bug.

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Here is more support for klipper:

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It is a bug, but they are still useable. You just need to have faith that you are in DFU mode if you hold the DFU button while plugging in the USB.

/retnel

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The LED has nothing to do with DFU mode. It is an STM32 work led, it may or may not flash.

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If you want to see if a board is in DFU mode, just enter lsusb in a Linux console.

2 Likes
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Start watching at 7:28

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It is not an issue, I just wanted everyone to know becasue the tutorial videos were with an earlier version and they all show the blue led in DFU mode only.

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