Get latest build from Marlin
Grab this config.h
https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/firmware/V3.0/Marlin
Ensure it’s for E3 V3
ensure the board is set as
Boards | Marlin Firmware
MOTHERBOARD BOARD_BTT_SKR_MINI_E3_V3_0
Comment out
/RC
//#define USE_ZMIN_PLUG
155 is the e-steps on the direct drive extruder.
#define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 800, 155 }
//RC
//#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
// Force the use of the probe for Z-axis homing
//RC
#define USE_PROBE_FOR_Z_HOMING
//RC
#define BLTOUCH
Screeen is CR10
in advanced.h enable probe wizzard
https://github.com/bigtreetech/BIGTREETECH-TouchScreenFirmware/tree/master/Copy%20to%20SD%20Card%20root%20directory%20to%20update