Dipping machine

This machine was a test machine that can dip objects into a solution for coating or cleaning. It works well but the dipping space is not that large, hard to use when the object is large or the beaker is large and the dipping drifts as its gets dipped because of how it works. It was a test to see the problems with making a dip coater.
http://tinkersprojects.com/project/dipping-machine/

see more what I have done: http://tinkersprojects.com/



Operation:
After powering the mill with 12V DC power, settings can be seen/changed using the LCD and can be altered using the 3 buttons (up, down and enter). Speed and height are the 2 settings that can be set to control the dip. While running, By pressing the enter button, the dip will reset.

parts list:
1 x PLEX controller
1 x 28byj-48 stepper motor
1 x Gt2 Timing Belt
3 x limit switch interrupt
2 x 20mm M3 screw
2 x 20mm M3 screw
4 x M3 nuts
1 x acrylic base
4 x rubber feet

Controller:
The controller used is the PLEX boa