On Sat, 9 Mar 2019 at 05:48, Kirk Wallace <kwall...@wallacecompany.com> wrote:
>
> I have used AVR chips to add features to LinuxCNC that where not easy to
> do with a parallel port alone. Now I would like to take a try at using
> one of these Blue Pills:
> > https://www.ebay.com/itm/222676944274

When I found that an actual Arduino wasn't capable enough for a recent
project I used one of these instead.

https://www.adafruit.com/product/3800

Lots more RAM, a relatively fast CPU and decent floating-point means
that it can run serial kinematics (which is what I wanted)



--
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, 1916


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