Two Trees Sapphire Pro Firmware -

[tmc2209 stepper_x] uart_pin: PE11 run_current: 0.8 diag_pin: ^PC6 driver_SGTHRS: 65

#define LIN_ADVANCE_K 0.12 // start low #define LA_COOLSTEP 1 And ensure STEALTHCHOP is disabled on E driver. PLR writes to SD card every layer, causing wear and stuttering. Disable: two trees sapphire pro firmware

[mcu] serial: /dev/serial/by-id/usb-Klipper_stm32f407xx_... [stepper_x] step_pin: PE8 dir_pin: PE9 enable_pin: !PE10 microsteps: 16 rotation_distance: 40 endstop_pin: tmc2209_stepper_x:virtual_endstop homing_retract_dist: 5 [tmc2209 stepper_x] uart_pin: PE11 run_current: 0

#define DEFAULT_AXIS_STEPS_PER_UNIT 80, 80, 400, 93 // X,Y,Z,E Requires LIN_ADVANCE and LA_DEBUG . But TMC2209 in StealthChop2 can cause skipped steps. Use: 93 // X