Jon Elson's Universal Stepper Controller will take care of the encoders for you: http://pico-systems.com/univstep.html. Many devices including the very inexpensive Teensy board can manage the HID.
>________________________________ > From: Erik Friesen <e...@aercon.net> >To: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net> >Sent: Monday, February 6, 2012 6:32 AM >Subject: [Emc-users] Control board > >I am doing a bit of 3 axis cnc routing on pvc. I would like to set it and >forget it while it runs. I have been thinking about building, or buying if >available, something down this line. > >Parallel breakout for stepper drive. > >Microchip pic32 or similar to monitor incoming steps > >Encoders on steppers to compare against steps. > >Pic set up as usb HID device, with misc IO for jogging, etc. > >Amperage monitoring on 110 out relays, controlled with HID or aux parport >io. > >I would set up the amperage and stepper monitors on the control board to >flip a bit if things get out of whack, which would be netted to the >machine-on. > > >Is there something out there that fits the bill already? >------------------------------------------------------------------------------ >Try before you buy = See our experts in action! >The most comprehensive online learning library for Microsoft developers >is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >Metro Style Apps, more. Free future releases when you subscribe now! >http://p.sf.net/sfu/learndevnow-dev2 >_______________________________________________ >Emc-users mailing list >Emc-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
