Has anyone tried an (Intel) Edison yet? It's an x86 machine, and comes in at $100 if you add the arduino-pinout carrier board to give you all the I/O pins: https://www.sparkfun.com/products/13097
On Thu, May 4, 2017 at 2:38 PM, Gene Heskett <[email protected]> wrote: > On Thursday 04 May 2017 13:14:07 Jon Elson wrote: > > > On 05/03/2017 11:36 PM, Gene Heskett wrote: > > > On Wednesday 03 May 2017 23:44:02 Jon Elson wrote: > > >> On 05/03/2017 09:28 PM, Gene Heskett wrote: > > >>> The killer in the beaglebone soup is the cost of the "capes". > > >>> You've over $200 plus psu's etc before it can turn 2 motors at the > > >>> same time. > > >> > > >> Umm, the CRAMPS board is $79.95, and I sell the 8825 drivers > > >> for $5 each, but I get them from China for about $1.30 > > >> each. > > > > > > The 8825 does what? I need to take another look at your site I > > > guess. > > > > 2 A 35 V stepper driver. > > Whereas I'm at 43 volts and 5 amps on x(8 wire motor in parallel), 65V > and around 3.5A on z. > > And fixing to add another 20 volts to x, its tapped out at about 40 ipm. > Fairly small fine threaded ball screw. > > > >> The BeagleBone is $55, > > > > > > And how many cores & how fast is its arm? > > > > I think it is only one core, 1 GHz. Works fine for > > Machinekit/LinuxCNC control of Cartesian machine, but ssh -X > > connection from a machine with a screen is noticeably slower > > than an X86 PC with directly-connected screen. > > Where this pi has 4 cores, 64 bit, and is running at 1.2GHz > And twice the memory. Needs more yet. So I think I'll stick with it > unless this last experiment fails. dd is still munching away at creating > a clone of the only u-sd that will still boot it. > > Then 2 boxes of deck stuff just walked up and plopped themselves down on > the front deck, which I am suspecting I'll need to modify the gazebo as > its too tall to fit under the roof overhang. Might wind up ripping out > some greenery and extending the deck, outward by a foot or so and east 5 > feet as it will block the front door otherwise. Fun and games with > 2x8's for framing and 2x4's for flooring. > > If it ever happens. Dee said no. So I've spent the afternoon assembling > the deck furniture, which came in flatish pieces. Got the corner chair > piece and 2 chairs, but still have 2 in the box when it started a light > rain, and my back said enough already. So dinner is warming in the > microwave. > > > > The Beagle Bone has 2 PRU processors (200 MHz real time > > 32-bit CPUs) that Charles Steinkuehler set up the framework > > for so that LinuxCNC can do fast stepping, PWM and encoder > > counting. Not quite FPGA performance, but WAY faster than > > software stepping. So, that relieves the ARM CPU from the > > base thread tasks. > > > > Jon > > > Thanks Jon. > > 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) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
