Dobrica Pavlinušić's random unstructured stuff

CNC: Revision 2

^ 2030

* http://hackaday.com/2014/02/15/chinese-3020-cnc-machine-gets-some-upgrades/
* http://lab.whitequark.org/notes/2014-02-12/cnc3020t-emc2-configuration-and-hidden-features/