Arduino based automated focus stacking rail

Started Oct 24, 2015 | Discussions thread
OP pulsar123 Regular Member • Posts: 156
Fast Stacker v2.0

I am finally releasing a completely rebuilt version of my Fast Stacker - v2.0, with much better hardware and significantly improved software. The highlights:

* It is faster (10 mm/s) and more accurate (0.6 microns microsteps), so in principle magnifications up to 60:1 can be handled.
* It is much more reliable (completely re-written motion algorithm, plus impulse noise suppression resulting in no more fake limiter switches triggering).
* It is more usable. E.g., backlash compensation can now be done in either direction (so the camera can be pointed up or down).
* It is much more convenient - UI is significantly simplified and improved. Color higher-resolution display is a big help. The controller now has a large Help menu (so no need to print a guide and carry it with you).
* All the important parameters can now be typed in using a new Editor mode. (So one can use arbitrary values for the distance between shots etc.)
* Batteries compartment (8xAA) is now built into the controller, and it also has a power switch. So it's easy to switch from batteries to a power adapter and back.
* The controller is 3D printed, and I also designed the PCB which can now be manufactured professionally.
* Some extra niceties: red/green LEDs reflecting the state of the camera (AF / shutter), a small buzzer used for a few functions.
* Important: telescope support was removed in v2.0.
* And of course, there is always a catch. The catch: the project is now somewhat more expensive (extra 30$ or so), the controller is larger and heavier.

Updated documentation:

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