My mouse as an optical encoder

video
Well let's see how this works out on the video upload to Google. I am showing that an optical mouse can be used as a rotary position encoder for a stepper motor. I have a box full of these and have many uses for them. The neat thing here is that I can change the wheel size and get better precision of resolution.
The video got through okay and shows that I can sense position of a wheel with great precision. The video is a bit low on production value, but I hope it gets the point across. 

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Automated Intelligence

Automated Intelligence
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