Basic Information: Printer Model: Artillery Sidewinder X3 Pro MCU / Printerboard: STM32F402 (compiled as STM32F401), stock Artillery board Host / SBC: Raspberry Pi 4B, MainsailOS 3.0.0, Klipper v0.13.0-642: attached klippy.log (277.1 KB) klippy.log Fill out above information and in all case…

[image] hui1111: Is there a way to determine which bootloader is actually present on the board I agree that the file getting renamed in a good indication the bootloader is present and running. I’d focus on com settings in the firmware build. Klipper firmware may be happily running on the MCU…

Artillery Sidewinder X3 Pro: MCU enumerates over USB but never returns identify_response

General Discussion

hcet14 July 24, 2026, 8:04pm 3

Welcome hui1111,

did you follow Sineos Knowledge Base How-To Trouble-Shoot?

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Artillery Sidewinder X3 Pro: MCU enumerates over USB but never returns identify_response

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