Filter Wheel Mod

Rebuild with smaller (this time bipolar) stepper.  Better torque.  IR sensor mounting improved. 
 
This shows stepping through filters with accurate stop points.
 

YouTube Video

 
 A small "L" shaped piece of aluminum marks the end of position 4 and if sync is selected, will stop at position 1 (Luminance filter). 
 
 
 

YouTube Video

 
 
 
 
 
 

 

 
 
 
 
 

 
Revised drive mechanism and added reflectance sensor (Pololu QT-R1A) now driven by arduino scopefocus unit w/ second stepper driver.  The stepper turns until the filter is in the proper position, marked by a small piece of white tape. 

 

YouTube Video

 

Here's a screenshot from the scopefocus filter control tab....progress!
--Added button to select equal number of subs for each filter. 
--Saves subs w/ filter type as filename. 
--Standard filter selections populates filter dropdowns w/ appropriate filters
--Status display
--Two different Darks available
--Flats, single or after every filter change(see AutoFlat page for addt details)
--Auto Sync for filter wheel, advances wheel until position 1 marker found.
 
 
 
 



 
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