On Thursday 16 March 2017 09:27:13 andy pugh wrote:

> On 16 March 2017 at 11:56, Erik Christiansen <dva...@internode.on.net> 
wrote:
> > Would it perhaps be a
> > little more convenient to have an encoder at the motor, as well as
> > the one on the spindle, and let HAL compute the gear from the ratio?
>
> https://forum.linuxcnc.org/47-hal-examples/27071-automatic-spindle-gea
>r-detection

Neat Andy, and trimming it down to a 4 speed is trivial. And I could use 
the lincurve output to a wcomp to run my leds.

That, once trimmed to 4 speed, looks less complicated than I had 
envisioned, Thanks Andy.

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>

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