In configuration.h

#define BAUDRATE 115200 recomended to be more realiable) #define TEMP_SENSOR_0 5 #define TEMP_SENSOR_1 0 #define TEMP_SENSOR_2 0 #define TEMP_SENSOR_3 0 #define TEMP_SENSOR_BED 5 #define BED_MAXTEMP 130 #if DISABLED(ENDSTOPPULLUPS) fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined

#define ENDSTOPPULLUP_XMAX
#define ENDSTOPPULLUP_YMAX
#define ENDSTOPPULLUP_ZMAX
#define ENDSTOPPULLUP_XMIN
#define ENDSTOPPULLUP_YMIN

#define ENDSTOPPULLUP_ZMIN #define ENDSTOPPULLUP_ZMIN_PROBE #endif

Mechanical endstop with COM to ground and NC to Signal uses “false” here (most common setup). #define X_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Y_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Z_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define X_MAX_ENDSTOP_INVERTING false set to true to invert the logic of the endstop. #define Y_MAX_ENDSTOP_INVERTING false set to true to invert the logic of the endstop. #define Z_MAX_ENDSTOP_INVERTING false set to true to invert the logic of the endstop. #define Z_MIN_PROBE_ENDSTOP_INVERTING true set to true to invert the logic of the endstop.

Travel limits after homing (units are in mm) #define X_MIN_POS 0 #define Y_MIN_POS 0 #define Z_MIN_POS 0 #define X_MAX_POS 220 #define Y_MAX_POS 220 #define Z_MAX_POS 240 #define DEFAULT_AXIS_STEPS_PER_UNIT {100, 100, 400,90} default steps per unit for anet a8 #define DEFAULT_AXIS_STEPS_PER_UNIT {200, 200, 800,180} for 1/32 steps #define DEFAULT_MAX_FEEDRATE {400, 400, 4, 50} #define DEFAULT_MAX_ACCELERATION { 3000, 3000, 1000, 10000 } #define DEFAULT_ACCELERATION 1000 X, Y, Z and E acceleration for printing moves #define DEFAULT_RETRACT_ACCELERATION 3000 E acceleration for retracts #define DEFAULT_TRAVEL_ACCELERATION 3000 X, Y, Z acceleration for travel (non printing) moves

#define FIX_MOUNTED_PROBE

#define AUTO_BED_LEVELING_LINEAR

#define LEFT_PROBE_BED_POSITION   35
#define RIGHT_PROBE_BED_POSITION  200
#define BACK_PROBE_BED_POSITION   180
#define FRONT_PROBE_BED_POSITION  20

select the display:

#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER

Disables axis when it's not being used. #define DISABLE_X false #define DISABLE_Y false #define DISABLE_Z false #define DISABLE_E false For all extruders #define DISABLE_INACTIVE_EXTRUDER true disable only inactive extruders and keep active extruder enabled #define INVERT_X_DIR false for Mendel set to false, for Orca set to true #define INVERT_Y_DIR false for Mendel set to true, for Orca set to false #define INVERT_Z_DIR true for Mendel set to false, for Orca set to true #define INVERT_E0_DIR false for direct drive extruder v9 set to true, for geared extruder set to false #define INVERT_E1_DIR false for direct drive extruder v9 set to true, for geared extruder set to false #define INVERT_E2_DIR false for direct drive extruder v9 set to true, for geared extruder set to false #if DISABLED(ENDSTOPPULLUPS) fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined

#define ENDSTOPPULLUP_XMAX
#define ENDSTOPPULLUP_YMAX
#define ENDSTOPPULLUP_ZMAX
#define ENDSTOPPULLUP_XMIN
#define ENDSTOPPULLUP_YMIN
#define ENDSTOPPULLUP_ZMIN
#define ENDSTOPPULLUP_ZMIN_PROBE

#endif

Mechanical endstop with COM to ground and NC to Signal uses “false” here (most common setup). #define X_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Y_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Z_MIN_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define X_MAX_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Y_MAX_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Z_MAX_ENDSTOP_INVERTING true set to true to invert the logic of the endstop. #define Z_MIN_PROBE_ENDSTOP_INVERTING true set to true to invert the logic of the endstop.

Travel limits after homing #define X_MAX_POS 225 #define X_MIN_POS -33 #define Y_MAX_POS 225 #define Y_MIN_POS -10 #define Z_MAX_POS 245 #define Z_MIN_POS 0