Link Schem 320volt

http://circuit-zone.com/index.php?cat=cnc_devices
http://www.schematicsunlimited.com/
http://openbuilds.org/?category=cnc-router-builds&id=286
https://woodgears.ca/plans.html
http://www.hobbyprojects.com/A/low-pass.html
http://320volt.com/
http://audio.claub.net/software.html