https://youtu.be/7HtqwcKDlCk
On Sun, Jan 23, 2022, 6:47 PM Chris Albertson <[email protected]> wrote: > This > > On Sun, Jan 23, 2022 at 4:30 PM andy pugh <[email protected]> wrote: > > > On Sat, 22 Jan 2022 at 04:49, Chris Albertson <[email protected] > > > > wrote: > > > > > > Arduino? Too slow to coune pulses if they happen every 0.0001 inch > > unless > > > the table moves slow. > > > > As long as it gets a couple of samples every 0.1" it should be fine. > > Between the pins it's an absolute encoder, like a multi-turn resolver. > > > > Though I would still suggest using one of the M4 or M0 boards from > > Adafruit, as the clock rate and floating point performance are just > > orders of magnitude higher, for about twice the cost. > > > > That is about what I suggested. "Pico" is a dual core M0. Adafruit has them > for $4 each. > https://www.adafruit.com/product/4864 > So yes, orders of magnitude better but half, not twice the cost. > > The price is so low that it is little different from free. That for two > M0 cores at 125 MHz and 8 of those programmable state machine, also at > 125MHz. and 2 MB of flash. Very good documentation. > > Works with Arduino IDE and runs most Arduio code but you can program it > with Python too. > > > > > > -- > > atp > > "A motorcycle is a bicycle with a pandemonium attachment and is > > designed for the especial use of mechanical geniuses, daredevils and > > lunatics." > > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > -- > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
