On Saturday 27 June 2020 03:35:04 Phill Carter wrote: > > On 27 Jun 2020, at 5:26 pm, Gene Heskett <[email protected]> > > wrote: > > > > On Saturday 27 June 2020 03:10:46 Chris Albertson wrote: > >> I figured this would be easy and I was right. > >> > >> The HAL and INI files are produced by Stepconf with no edits. I > >> connect a cheap $5 hobby servo motor to the parallel port pin #16 > >> with no extra hardware, just a wire. I also run 5 volts DC to the > >> motor. The default signal generated by pwmgen and intended to > >> control spindle speed is directly used to control this motor. > >> > >> The neat thing is that no driver electronics are needed, just a > >> direct connection to the parallel port. These motors are powerful > >> enough to do things like turn and adjust coolant valves or in my > >> case turn the 4.7K pot that controls spindle speed. > >> > >> I used the default HAL file for this test but in real life, some > >> multipliers might be needed to scale value to an angle. > >> > >> Pictures below > >> 1) screengrab of scope showing that PWM is 100 Hz so that it will > >> certainly work with any hobby servo. > >> 2) video of the servo moving in response to clicks on "Axis". (we > >> will see if .mp4 video works on this list server) > >> > >> [image: Logicscreenshot.jpg] > > > > The idea should just work, unlike the .mp4 which shows the loading > > icon forever. > > The mp4 looked like that here as well but after I pressed play it was > fine.
Doesn't work here. > >> servotest.mp4 > >> <https://drive.google.com/file/d/1qnNP15i66IRKaUIIPh33Bh1FKa5AMg5_/ > >>vie > >> <https://drive.google.com/file/d/1qnNP15i66IRKaUIIPh33Bh1FKa5AMg5_/ > >>vie> w?usp=drive_web> > > But the original didn't shows as 2 links either. > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > If we desire respect for the law, we must first make the law > > respectable. - Louis D. Brandeis > > Genes Web page <http://geneslinuxbox.net:6309/gene > > <http://geneslinuxbox.net:6309/gene>> > > > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > <mailto:[email protected]> > > https://lists.sourceforge.net/lists/listinfo/emc-users > > <https://lists.sourceforge.net/lists/listinfo/emc-users> > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
