maybe here is someone interest in cheap tools and equipment for
I received some analog 4axis-controllers suitable for all systems
driven with 0-10Volts or single axes from 0-450mA with 16bit
resolution - see an image of the devices:
The set contains in a power supply, an XY-joystick with two encoder-
knobs for two aditional axes (mostly Z and opening and/or switching
the gap of a tweezer) and i have around 10 of the sets.
In this post [ http://forums.reprap.org/read.php?132,15167,49175#msg-49175
] atached is an image of the complete bunch (in the background) and
two 'frontends' i controlled with them - a modified Finetech-SMD-pick-
n-place-system (on the left side) and a ferrofluidic nanopositioner
Linked in the german forum thread [ http://forums.reprap.org/read.php?35,46921
] are some aditional images and a movie i made positioning and glueing
a 0.2mm GRIN-lens on a 0.2mm image-fiber with a piezoleg-3axis-system
i built then too ...