Tom's Hardware on MSN

3D printing enthusiast creates camera with a gutted optical mouse's sensor — lo-fi 30x30 pixel camera took 65 hours to build

A 3D printing enthusiast has made a cute, functional lo-fi digital camera using an optical sensor salvaged from a discarded ...
Hackaday

optical sensor

There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices. Optical mice are a great example of this principle, using what are more or ...
EDN

Simple Optical Speed Trap

I am always on the lookout for ideas for simple test and measurement instruments that can be used on my workbench. Over the years, I have built dozens of little test instruments and home lab ...
Machine Design

Review of noncontact motion sensors based on optical technology: How they work and where they go

Some motion sensors are based on optical measurement technologies to provide accurate velocity and position measurements without requiring physical contact with the object or surface being monitored.