There has been a lot going on this summer for me. I've been busy building OHR adapters. They have been well received. And I finally got back to the optical sensor for my AJAK. As I had figured the sensor cover had to spaced out a little bit. But I took my time and the project came together. My first trial was a failure. The openings in the slot wheel were not wide enough. So a little work with the Xacto blade and I was rockin' The OHR adapter performs great The same resolution as my magnet wheel and reed switch, 20 counts per degree. And of course there are lots of pictures