On 02/06/2014 05:41 AM, bruno wrote: > Alternatively, I am pretty sure this type > http://www.aliexpress.com/item/Universal-CNC-4-Axis-MPG-Pendant-Handwheel-Emergency-stop-for-Siemens-FAGOR/1594520156.html > > would be easy to integrate as it appears as just a bunch of switches and > quadrature encoder, I think. > > I'm pretty sure you are right, mechanical switches and an encoder. I have built two of them, see : <http://pico-systems.com/pendant.html> I use some diodes to multiplex the XYZ-feedrate-spindle selection so I use up fewer digital inputs. I have links to the hal code to interface this to LinuxCNC. It is for my PPMC line of products, so would need a little adapting to Mesa products.
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