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Title: Oscar Controls Vortex Spinner - Is this a 2-phase spinner? Any other info?
Post by: sofakng on August 19, 2020, 08:56:10 pm

I'm looking to use an Oscar Controls Vortex spinner with a MiSTer FPGA setup but it only works with 2-phase rotary encoders.

Is the Oscar Controls Vortex spinner considered 2-phase?  It has +5V, GND, "S1" and "S2 pins but I'm not sure what that means.

Does anybody know the resolution of the Vortex spinner as well?

Title: Re: Oscar Controls Vortex Spinner - Is this a 2-phase spinner? Any other info?
Post by: mahuti on August 19, 2020, 10:35:31 pm

I dont know the resolution. Its a 2-phase and should work fine. It uses methodology common to arcade spinners.

Its a shame.Oscar closed down years ago. He made great stuff. I still have a few, including a vortex..

Title: Re: Oscar Controls Vortex Spinner - Is this a 2-phase spinner? Any other info?
Post by: sofakng on August 19, 2020, 11:01:44 pm

Thanks very much for the info.

I know the MiSTer project also has a 'Mr. Spinner' encoder (uses an Atmega32u4/Arduino) but you need to know the PPR/resolution to make it work.  If anybody else knows it please let me know :)

Title: Re: Oscar Controls Vortex Spinner - Is this a 2-phase spinner? Any other info?
Post by: mahuti on August 19, 2020, 11:54:41 pm

The Vortex was basically a clone of the tempest spinner, which had 72 counts per revolution.

http://wiki.arcadecontrols.com/index.php?title=Spinner_Turn_Count