Converts a manual router speed controller to CNC control by connecting the potentiometer of the controller to a servo. The servo is controlled by an Arduino board connected to the parallel port. The Arduino decodes the PWM from the computer into a servo position.
Arduino
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2_inch_8_tooth_gear.dxf
2_inch_8_tooth_gear.ngc
2_inch_8_tooth_gear.skp
3_inch_12_tooth_gear.dxf
3_inch_12_tooth_gear.ngc
3_inch_12_tooth_gear.skp
README.md
spindle_controller.ino

README.md

servospindle

Written by Jesse Merritt www.github.com/jes1510 February 5, 2013

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/

Converts a manual router speed controller to CNC control by connecting the potentiometer of the controller to a servo. The servo is controlled by an Arduino board connected to the parallel port. The Arduino decodes the PWM from the computer into a servo position.

The speed controller used for testing was purchased from Harbor Freight here: http://www.harborfreight.com/router-speed-control-43060.html

Video explaining the project: http://www.youtube.com/watch?v=MW2ExFR2T5I&list=UUB3HdSWKGSfNb5ctzReIphg&index=1

You can assume that I have no idea what I am doing and therefor am not responsible for any damage or negative consequences for using anything from this project. It may destroy all of your equipment and burn down your house.