On Thu, Jul 23, 2020 at 11:17 AM John <jo...@autoartisans.com> wrote:
> Does it even work with LinuxCNC? > Their web site says it was specifically designed for LinuxCNC and works with the stepconf setup app. They claim perfect emulation of the PC parallel port and that their device can work as the first of second parallel port. They also claim that somehow (they don't say) they have solved the timing issue. I guess they do what I thought of and use Isochronous transfers. They do make the claim the device allows software stepping even with a PC that totally fails the latency test. I don't see how this claim is compatible with "perfect emulation of parallel port". But if this device works perfectly as claimed it will be no easier or harder to configure than a parallel port. Why not just use a parallel port? I know the Pi has not Parallel port but why do people like using Pi4? They are slow and hard to use compared to an actual PC. I have both a P4 and a 4 or 5-year-old HP PC and the PC runs circles around the P4. My Old PC runs a milling machine and a 3D printer (with Octoprint) and streams a web cam all at once. The old PC was free. The Pi was about $65 with a power supply. I use the Pi for a robot controllers because it needs to run off battery power and fit in the tight space. That is the only advantage to using Pi, it fits in a small space and power budget. If you have a nearby AC wall outlet there are better options. > Sent from John's iPhone 4S > > On 2020-07-23, at 11:07 AM, Dave Matthews <n36...@gmail.com> wrote: > > > The biggest plus I see is that if it is easy to set up it might be a > > good way to go, especially at $90 delivered. I am not a big fan of > > USB but it does seem to work fine for the Mach 3 crowd. The biggest > > negative I see for the Mesa products is that they are very difficult > > to get set up for most people. The LinuxCNC docs are set up for > > people that have been using it for 20 years or those that want to > > spend hours digging. Even finding docs for setting up auto gantry > > alignment on my parallel port router has been difficult. I have found > > a couple examples for Mesa setups but knowing what to edit on my setup > > is not clear. Stopconf works great but after that it gets real murky > > real fast. > > > > Dave > > > > On Thu, Jul 23, 2020 at 12:52 PM John Dammeyer <jo...@autoartisans.com> > wrote: > >> > >> This might have been mentioned on the MACH CNC group but the reality is > that if you want LinuxCNC and two parallel ports the MESA 7i92 is less > expensive and not tied to potential speed issues via USB. For example > WIN-10 won't run the USB based Smooth Stepper but will run the Ethernet > Smooth Stepper with MACH4. > >> > >> So for LinuxCNC at $89 the 7i92H is just overall a better deal. Or any > of the MESA or PICO based products. For all the costs involved in CNC the > truth is during the learning curve part the broken tool bits and trashed > work is far more expensive but considered part of the costs. Ethernet is > faster and less likely to have timing issues. > >> > >> My 2 cents. > >> > >> John > >> > >>> -----Original Message----- > >>> From: Dave Matthews [mailto:n36...@gmail.com] > >>> Sent: July-23-20 8:42 AM > >>> To: Enhanced Machine Controller (EMC) > >>> Subject: [Emc-users] Machmaker USB -> Parallel > >>> > >>> A link to a video for this thing showed up in my facecrap feed. It > >>> looks like a UC-100 only for LinuxCNC 2.9. They are demoing on a Pi > >>> 4. Has anyone got any experience with the Linumeric-LPT v1? Price > >>> and ordering are not shown on the site, you are directed to email > >>> them. > >>> > >>> Product Link - http://machmaker.pl/index.php?p=1_13 > >>> > >>> VIdeo - > >>> > https://www.youtube.com/watch?v=txivr8j86t8&feature=youtu.be&fbclid=IwAR04UYfSGbRucny1aek0HVgJGrBkG0FiaxosNx_DQ > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
