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  Sample Gcode
Leadscrew Cover
PCB Cutout
Pinion Gear
G64 Path Blending
Fusion 360 Clamps
Fusion 360 Threads

  Hardware Example
Shapeoko 2
Gecko G540
Sherline 3D Printer


Source Releases

pymini-2.13.tar.gz md5 10/21/2020, Fixed G4 dwell command. Delay less than 1 second would delay forever.
pymini-2.12.tar.gz md5 09/29/2020, Fixed a corner case were "All Zero" command did not reset backlash
                                   compensation variables.
pymini-2.11.tar.gz md5 09/08/2020, Added PWM examples to, and Fixed PWM issues setting 
                                   OUTPUT1_MODE and duty cycle in
pymini-2.10.tar.gz md5 06/18/2020, Added Arduino Leonardo support.
pymini-2.9.tar.gz md5 04/04/2020, Corrected some pymini backplot simulation issues, CNC machine executed correctly.
pymini-2.8.tar.gz md5 12/07/2019, Updated the homing script with new parameters HOME_LIMIT and HOME_VELOCITY.
                                  Fixed an Auto/Cancel issue when using gantry support.
pymini-2.7.tar.gz md5 08/25/2018, Added gantry support. One coordinate can be slaved to more than on axis.
pymini-2.6.tar.gz md5 12/23/2017, Added spindle synchronization support for G33/G76 thread commands. 
pymini-2.5.tar.gz md5 10/16/2017, Fixed a problem with EStop always clearing backlash compensation. 
                                  This caused "invalid step value" errors when changing direction after an EStop.
pymini-2.4.tar.gz md5 10/04/2017, Bug fix for G3/G2 backplot support.
pymini-2.3.tar.gz md5 09/19/2017, Added backplot circular support for G3/G2 commands.
pymini-2.2.tar.gz md5 08/08/2017, Added support for spindle speed and lathe Tool Offsets.
pymini-1.18.tar.gz md5 04/11/2017, Added support for Auto/Run cancel, a synchronized stop.
pymini-1.16.tar.gz md5 02/05/2017, Fixed broken Tool/Fixture Offset screens in Windows and made more bullet proof.
pymini-1.12.tar.gz md5 12/08/2016, Added support for two new screens Tool Offsets and Fixture Offsets.
pymini-1.5.tar.gz md5 08/09/2016, Added program pause to M6 tool change command. Fixed tool table offset support.
pymini-1.4.tar.gz md5 11/18/2015, Added python support for setting the position of a specified axis.
pymini-1.3.tar.gz md5 08/22/2015, Fixed an intermittent USB timeout in rt-test, which occured on fast PCs.
pymini-1.2.tar.gz md5 07/18/2015, Fixed the broken M0/M1/M60 pause functionality.
pymini-1.1.tar.gz md5 06/20/2015, Added USB IO hysteresis which fixed a malloc error for PCs with low memory.
pymini-1.0.tar.gz md5 04/22/2015, New, replaces all previous (rtstepperemc/tkmini) software.
rtstepperemc-2.0.3.tar.gz md5 11/23/2014, Final released based based on tkmini.
Source code repository is at Bitbucket

Binary Releases

Binary packages are built as time allows. This means there is no guarantee packages will be provided for every release and there is no intention to make packages for every distribution or OS.
Ubuntu 12.04/14.04/16.04 LTS 32-bit md5

Ubuntu 12.04/14.04/16.04/18.04 LTS 64-bit md5

Mac OSX Intel 64-bit
pymini-2.6-macosx-10.12.6-intel.dmg md5
pymini-2.13-macosx-10.13.6-intel.dmg md5

Windows Windows 7, Windows 8, Window 10 32-bit md5

Windows Windows 7, Windows 8, Windows 10 64-bit md5

Windows Windows 7 rt-stepper driver md5

Sample INI Files

If you would like your working rt-stepper ini file posted here please email it to my email address below.

Note although these ini files are still valid, some may be old and may not have all the latest options. If you are going to use one, you should compare it with the default rtstepper.ini file that came with your software release.

These are actual ini files that I used with my CNC controllers.

Use these ini files for 8760 CNC Controller sold by Sherline.
sherline.ini inch
sherline_mm.ini mm
sherline_lathe.ini inch
Here is a example ini file for my Shapeoko 2 using StepStick/Pololu A4988 motor driver boards.
shapeoko.ini inch
A Gecko G540 ini file example for a CNC Router.
dans_gecko540.ini inch
Some ini files for the rt-stepper 4-axis motor drive CNC controller.
stepstick_5000.ini inch, Sherline 5000 Mill
stepstick_4000_lathe.ini inch, Sherline 4000 Lathe
stepstick_shapeoko.ini inch, Shapeoko 2 CNC router
Arduino Leonardo rt-stepper dongle ini file that is compatable with the Sherline 8760 CNC Controller.
leonardo.ini inch

3D Print Files for rt-stepper Dongle Custom Case

DongleCaseT00.STL top case, snap together
DongleCaseB00.STL bottom case, snap together
box_top_nut.stl top case, M3x20 screw together
box_bottom_nut.stl bottom case, M3x20 screw together

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Last updated March 24, 2023