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printer-20211030_125652.cfg
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printer-20211030_125652.cfg
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# This file contains common pin mappings for the BIGTREETECH SKR
# MINI 2.0. To use this config, the firmware should be compiled for
# the STM32F103 with a "28KiB bootloader". Also select "enable extra
# low-level configuration options" and configure "GPIO pins to set
# at micro-controller startup" to "!PA14".
# The "make flash" command does not work on the SKR mini. Instead,
# after running "make", copy the generated "out/klipper.bin" file to a
# file named "firmware.bin" on an SD card and then restart the SKR
# mini with that SD card.
# See the example.cfg file for a description of available parameters.
[include mainsail.cfg]
[mcu]
## Obtain mcu value by "ls -l /dev/serial/by-id/"
serial: /dev/serial/by-id/usb-Klipper_stm32f103xe_32FFD6055646363310791643-if00
[stepper_x]
step_pin: PB13
dir_pin: PB12 # check https://docs.vorondesign.com/build/startup/#v0 if moving in the wrong direction
enable_pin: !PB14
rotation_distance: 40
microsteps: 16
endstop_pin: PC0
position_endstop: 120
position_max: 120
homing_speed: 20 # Increase after initial setup, Max 100
homing_retract_dist: 5
homing_positive_dir: true
[tmc2209 stepper_x]
uart_pin: PC11
tx_pin: PC10
uart_address: 0
interpolate: True
run_current: 0.5 # For V0.1 spec NEMA14 40Ncm
hold_current: 0.25
sense_resistor: 0.110
stealthchop_threshold: 500
[stepper_y]
step_pin: PB10
dir_pin: PB2 # check https://docs.vorondesign.com/build/startup/#v0 if moving in the wrong direction
enable_pin: !PB11
rotation_distance: 40
microsteps: 16
endstop_pin: PC1
position_endstop: 120
position_max: 120
homing_speed: 20 # Increase after initial setup, Max 100
homing_retract_dist: 5
homing_positive_dir: true
[tmc2209 stepper_y]
uart_pin: PC11
tx_pin: PC10
uart_address: 2
interpolate: True
run_current: 0.5 # For V0.1 spec NEMA14 40Ncm
hold_current: 0.25
sense_resistor: 0.110
stealthchop_threshold: 500
[stepper_z]
step_pin: PB0
dir_pin: PC5 # Remove ! if moving opposite direction
enable_pin: !PB1
rotation_distance: 8 # For T8x8 integrated lead screw
microsteps: 16
endstop_pin: PC2
position_endstop: -0.10
position_max: 120
position_min: -1.5
homing_speed: 10 # Max 100
second_homing_speed: 3.0
homing_retract_dist: 3.0
[tmc2209 stepper_z]
uart_pin: PC11
tx_pin: PC10
uart_address: 1
interpolate: True
#run_current: 0.37 # For V0.1 spec NEMA17 LDO-42STH25-1004CL200E 1.0A
#hold_current: 0.35
run_current: 0.2 # For V0.1 spec NEMA17 OMC 17LS13-0404E-200G 0.4A
hold_current: 0.15
sense_resistor: 0.110
stealthchop_threshold: 500
[extruder]
step_pin: PB3
dir_pin: PB4 # Add ! if moving opposite direction
enable_pin: !PD2
full_steps_per_rotation: 200 # 1.8° motor LDO
#full_steps_per_rotation: 400 # 0.9° motor i.e OMC 14HR07-1004VRN
rotation_distance: 22.23 # See calibrating rotation_distance on extruders doc
gear_ratio: 50:10 # For Mini Afterburner
microsteps: 16
nozzle_diameter: 0.400
filament_diameter: 1.750
heater_pin: PC8
sensor_type: EPCOS 100K B57560G104F # Adjust for your hotend thermistor (see options below)
sensor_pin: PA0
control: pid # Do PID calibration
pid_Kp: 28.182
pid_Ki: 1.978
pid_Kd: 100.397
min_temp: 0
max_temp: 270
min_extrude_temp: 170
max_extrude_only_distance: 780.0
max_extrude_cross_section: 0.8
pressure_advance: 0.0 # See tuning pressure advance doc
pressure_advance_smooth_time: 0.040
[tmc2209 extruder]
uart_pin: PC11
tx_pin: PC10
uart_address: 3
interpolate: True
run_current: 0.3 # for LDO 36STH17-1004AHG
hold_current: 0.2 # for LDO 36STH17-1004AHG
#run_current: 0.5 # for OMC 14HR07-1004VRN rated at 1A
#hold_current: 0.3 # for OMC 14HR07-1004VRN rated at 1A
sense_resistor: 0.110
stealthchop_threshold: 500
[heater_bed]
heater_pin: PC9
sensor_type: NTC 100K beta 3950 # For Keenovo, verify yours
sensor_pin: PC3
smooth_time: 3.0
#max_power: 0.6 # Only need this for 100w pads
min_temp: 0
max_temp: 120
control: pid # Do PID calibration
pid_kp: 68.453
pid_ki: 2.749
pid_kd: 426.122
[printer]
kinematics: corexy
max_velocity: 200
max_accel: 2000
max_z_velocity: 15
max_z_accel: 45
square_corner_velocity: 6.0
[heater_fan hotend_fan]
pin: PC7
max_power: 1.0
kick_start_time: 0.5
heater: extruder
heater_temp: 50.0
#fan_speed: 1.0 # You can't PWM the delta fan unless using blue wire
[fan]
pin: PC6
max_power: 1.0
kick_start_time: 0.5
#depending on your fan, you may need to increase or reduce this value
#if your fan will not start
off_below: 0.13
cycle_time: 0.010
[idle_timeout]
timeout: 1800
[safe_z_home]
home_xy_position: 120,120
speed: 50.0
z_hop: 5
# Tool to help adjust bed leveling screws. One may define a
# [bed_screws] config section to enable a BED_SCREWS_ADJUST g-code
# command.
[bed_screws]
screw1: 60,5
screw1_name: front screw
screw2: 5,115
screw2_name: back left
screw3: 115,115
screw3_name: back right
[gcode_macro PRINT_START]
# Use PRINT_START for the slicer starting script - please customize for your slicer of choice
gcode:
G28 ; home all axes
G1 Z20 F3000 ; move nozzle away from bed
[gcode_macro PRINT_END]
# Use PRINT_END for the slicer ending script - please customize for your slicer of choice
gcode:
M400 ; wait for buffer to clear
G92 E0 ; zero the extruder
G1 E-4.0 F3600 ; retract filament
G91 ; relative positioning
# Get Boundaries
{% set max_x = printer.configfile.config["stepper_x"]["position_max"]|float %}
{% set max_y = printer.configfile.config["stepper_y"]["position_max"]|float %}
{% set max_z = printer.configfile.config["stepper_z"]["position_max"]|float %}
# Check end position to determine safe direction to move
{% if printer.toolhead.position.x < (max_x - 20) %}
{% set x_safe = 20.0 %}
{% else %}
{% set x_safe = -20.0 %}
{% endif %}
{% if printer.toolhead.position.y < (max_y - 20) %}
{% set y_safe = 20.0 %}
{% else %}
{% set y_safe = -20.0 %}
{% endif %}
{% if printer.toolhead.position.z < (max_z - 2) %}
{% set z_safe = 2.0 %}
{% else %}
{% set z_safe = max_z - printer.toolhead.position.z %}
{% endif %}
G0 Z{z_safe} F3600 ; move nozzle up
G0 X{x_safe} Y{y_safe} F20000 ; move nozzle to remove stringing
TURN_OFF_HEATERS
M107 ; turn off fan
G90 ; absolute positioning
G0 X60 Y{max_y} F3600 ; park nozzle at rear
[gcode_macro LOAD_FILAMENT]
gcode:
M83 ; set extruder to relative
G1 E30 F300 ; load
G1 E15 F150 ; prime nozzle with filament
M82 ; set extruder to absolute
[gcode_macro UNLOAD_FILAMENT]
gcode:
M83 ; set extruder to relative
G1 E10 F300 ; extrude a little to soften tip
G1 E-40 F1800 ; retract some, but not too much or it will jam
M82 ; set extruder to absolute
# Sensor Types
# "EPCOS 100K B57560G104F"
# "ATC Semitec 104GT-2"
# "NTC 100K beta 3950" (Keenovo Heater Pad)
# "Honeywell 100K 135-104LAG-J01"
# "NTC 100K MGB18-104F39050L32"
# "AD595"
# "PT100 INA826"