A line of machining centers now offers high-speed, precision CNC as standard. All RoboDrills now feature the Fanuc 16iMB Intelligent controls with encoders that reportedly deliver 16 million ...

Optical encoders are nothing new; they can be found in everything from mice to printers. They’re great for allowing DC motors to know their exact position and even current direction. If this is ...

Is it really possible to build a rotary encoder out of a flattened tin can and a couple of photodetectors? Sure it’s possible, but what kind of resolution are you going to get from such a contraption?