Umi V4.1 Driver -

[stepper_x] step_pin: PC2 dir_pin: !PB5 enable_pin: !PB6 microsteps: 16 rotation_distance: 40 full_steps_per_rotation: 200 driver_UMI_v4.1 hold_current: 0.6 run_current: 1.2

Windows 10 and 11 often block older drivers. You may need to disable Driver Signature Enforcement in the Windows Advanced Startup menu to install legacy UMI drivers. umi v4.1 driver

Important: The UMI v4.1 driver is NOT automatically recognized in older Marlin versions (<2.0.9). You may need to add the custom driver type in drivers.h or use the generic TMC2209 profile with modified stepping timings. [stepper_x] step_pin: PC2 dir_pin:

| Platform | Minimum OS | Architecture | Dependencies | |----------|------------|--------------|----------------| | Windows 10/11 21H2+ | x64 / ARM64 | WinUSB / ASIO SDK (optional) | | Linux (Ubuntu 22.04+) | Kernel 5.15+ | x64 / ARM64 | ALSA, libusb-1.0, JACK (optional) | | macOS 12+ (Monterey) | Apple Silicon / Intel | CoreMIDI, libusb | You may need to add the custom driver type in drivers