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MKS SBASE Smoothie

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MKS SBASE.JPG


The hardware

The Smoothieboard is a controller for 3D printers, laser cutters and CNC machines. The MKS-SBASE is a cheap chinese clone of the Smoothieboard hardware.

Here are some links to get started: Smoothieboard (official website) Github repository with information on the MKS-SBASE board

Uses at Tkkrlab

We currently have one MKS-SBASE board built into our [Laser_Cutter|laser cutter]].


Smoothieboard config (15-06-2016)

## Robot module configurations : general handling of movement G-codes and slicing into moves
default_feed_rate                            8000             # Default rate ( mm/minute ) for G1/G2/G3 moves
default_seek_rate                            8000             # Default rate ( mm/minute ) for G0 moves
mm_per_arc_segment                           0.5              # Arcs are cut into segments ( lines ), this is the length for
                                                              # these segments.  Smaller values mean more resolution,
                                                              # higher values mean faster computation

# Arm solution configuration : Cartesian robot. Translates mm positions into stepper positions
alpha_steps_per_mm                           158.2            # Steps per mm for alpha stepper
beta_steps_per_mm                            158.2            # Steps per mm for beta stepper

# Planner module configuration : Look-ahead and acceleration configuration
planner_queue_size                           8               # DO NOT CHANGE THIS <- Fuck that. I changed it anyways.  \(^_^)/
acceleration                                 300              # Acceleration in mm/second/second.

acceleration_ticks_per_second                1000              # Number of times per second the speed is updated
junction_deviation                           0.05             # Similar to the old "max_jerk", in millimeters,
                                                              # see https://github.com/grbl/grbl/blob/master/planner.c
                                                              # and https://github.com/grbl/grbl/wiki/Configuring-Grbl-v0.8
                                                              # Lower values mean being more careful, higher values means being
                                                              # faster and have more jerk

# Stepper module configuration
microseconds_per_step_pulse                  1                # Duration of step pulses to stepper drivers, in microseconds
base_stepping_frequency                      100000           # Base frequency for stepping

# Cartesian axis speed limits
x_axis_max_speed                             30000            # mm/min
y_axis_max_speed                             30000            # mm/min

# Stepper module pins ( ports, and pin numbers, appending "!" to the number will invert a pin )
alpha_step_pin                               2.8              # Pin for alpha stepper step signal
alpha_dir_pin                                2.13!            # Pin for alpha stepper direction
alpha_en_pin                                 4.29             # Pin for alpha enable pin
alpha_current                                1.2              # X stepper motor current
alpha_max_rate                               10000.0          # mm/min

beta_step_pin                                2.3              # Pin for beta stepper step signal
beta_dir_pin                                 0.22             # Pin for beta stepper direction
beta_en_pin                                  0.21             # Pin for beta enable
beta_current                                 1.2              # Y stepper motor current
beta_max_rate                                10000.0          # mm/min

## System configuration
uart0.baud_rate                              115200           # Baud rate for the default hardware serial port
second_usb_serial_enable                     false            # This enables a second usb serial port (to have both pronterface
                                                              # and a terminal connected)
#leds_disable                                true             # disable using leds after config loaded
#play_led_disable                            true             # disable the play led

pause_led_pin                                1.30
play_led_pin                                 0.5

# Kill button (used to be called pause) maybe assigned to a different pin, set to the onboard pin by default
kill_button_enable                           true            # set to true to enable a kill button
kill_button_pin                              1.28^
lid_switch_pin                               1.29^
unkill_button_pin                            4.28^

#msd_disable                                 false            # disable the MSD (USB SDCARD) when set to true (needs special binary)
#dfu_enable                                  false            # for linux developers, set to true to enable DFU
#watchdog_timeout                            10               # watchdog timeout in seconds, default is 10, set to 0 to disable the watchdog

# Only needed on a smoothieboard
currentcontrol_module_enable                 true

## Extruder module configuration
extruder.hotend.enable                       false
extruder.hotend2.enable                      false

## Laser module configuration
laser_module_enable                          true
laser_module_pin                             1.23! # PWM output
laser_module_ttl_pin                         2.4  # Enable output
laser_module_maximum_power                   1.0
laser_module_minimum_power                   0.3
laser_module_tickle_power                    0.3
laser_module_default_power                   0.2
laser_module_pwm_period                      20

## Temperature control configuration
# First hotend configuration
temperature_control.hotend.enable            false            # Whether to activate this ( "hotend" ) module at all.
temperature_control.hotend2.enable           false            # Whether to activate this ( "hotend" ) module at all.
temperature_control.bed.enable               false            #

## Switch module for fan control
switch.fan.enable                            false            #
switch.fan.input_on_command                  M106             #
switch.fan.input_off_command                 M107             #
switch.fan.output_pin                        nc               #
switch.fan.output_type                       pwm              # pwm output settable with S parameter in the input_on_comand
#switch.fan.max_pwm                           255             # set max pwm for the pin default is 255

#switch.misc.enable                           false           #
#switch.misc.input_on_command                 M42             #
#switch.misc.input_off_command                M43             #
#switch.misc.output_pin                       nc              #
#switch.misc.output_type                      digital         # just an on or off pin

# Switch module for spindle control
switch.spindle.enable                        false            #


## Endstops
endstops_enable                              true             # the endstop module is enabled by default and can be disabled here
alpha_min_endstop                            1.24^            # add a ! to invert if endstop is NO connected to ground
alpha_max_endstop                            nc               # NOTE set to nc if this is not installed
alpha_homing_direction                       home_to_min      # or set to home_to_max and set alpha_max
alpha_min                                    -3                # this gets loaded after homing when home_to_min is set
alpha_max                                    420              # this gets loaded after homing when home_to_max is set
alpha_soft_max                               420              # Tkkrlab firmware only: software endstop
beta_min_endstop                             1.25^            #
beta_max_endstop                             nc               #
beta_homing_direction                        home_to_min      #
beta_min                                     -3                #
beta_max                                     300              #
beta_soft_max                                300              # Tkkrlab firmware only: software endstop

# optional order in which axis will home, default is they all home at the same time,
# if this is set it will force each axis to home one at a time in the specified order
#homing_order                                XYZ              # x axis followed by y then z last
#move_to_origin_after_home                   false            # move XY to 0,0 after homing

# optional enable limit switches, actions will stop if any enabled limit switch is triggered
alpha_limit_enable                           true             # set to true to enable X min and max limit switches
beta_limit_enable                            true             # set to true to enable Y min and max limit switches

alpha_fast_homing_rate_mm_s                  50               # feedrates in mm/second
beta_fast_homing_rate_mm_s                   50               # "
gamma_fast_homing_rate_mm_s                  4                # "
alpha_slow_homing_rate_mm_s                  25               # "
beta_slow_homing_rate_mm_s                   25               # "
gamma_slow_homing_rate_mm_s                  2                # "

alpha_homing_retract_mm                      3                # distance in mm
beta_homing_retract_mm                       3                # "
gamma_homing_retract_mm                      1                # "

#endstop_debounce_count                      100              # uncomment if you get noise on your endstops, default is 100

## Z-probe
zprobe.enable                                false

## Panel
panel.enable                                 true
panel.lcd                                    tkkrlab
panel.spi_channel                            0
panel.spi_cs_pin                             0.16
panel.buzz_pin                               1.31
panel.click_button_pin                       3.26!^
panel.back_button_pin                        1.27!^
panel.up_button_pin                          0.8!^
panel.down_button_pin                        3.25!^
panel.test_button_pin                        1.22!^
panel.blue_button_pin                        2.12!^
panel.yellow_button_pin                      4.28!^

panel.menu_offset                            0                 # some panels will need 1 here

panel.alpha_jog_feedrate                     6000              # x jogging feedrate in mm/min
panel.beta_jog_feedrate                      6000              # y jogging feedrate in mm/min
panel.gamma_jog_feedrate                     200               # z jogging feedrate in mm/min

panel.hotend_temperature                     185               # temp to set hotend when preheat is selected
panel.bed_temperature                        60                # temp to set bed when preheat is selected

## Custom menus : Example of a custom menu entry, which will show up in the Custom entry.
# NOTE _ gets converted to space in the menu and commands, | is used to separate multiple commands
#custom_menu.power_on.enable                true              #
#custom_menu.power_on.name                  Power_on          #
#custom_menu.power_on.command               M80               #

#custom_menu.power_off.enable               true              #
#custom_menu.power_off.name                 Power_off         #
#custom_menu.power_off.command              M81               #

## Network settings
network.enable                               true            # enable the ethernet network services
network.webserver.enable                     true           # enable the webserver
network.telnet.enable                        true             # enable the telnet server
network.ip_address                           auto             # use dhcp to get ip address
# uncomment the 3 below to manually setup ip address
#network.ip_address                           192.168.3.222    # the IP address
#network.ip_mask                              255.255.255.0    # the ip mask
#network.ip_gateway                           192.168.3.1      # the gateway address
#network.mac_override                         xx.xx.xx.xx.xx.xx  # override the mac address, only do this if you have a conflict


Pinout Lasercutter (Work in progress!)

Mks sbase lasercutter.png