Micro servomotors are a hacker staple. You’ll find maybe four or five in an RC plane, while a hexbot build could soak up a dozen or more of the cheap and readily available devices. Unfortunately, long ...

[Will Finucane] of Revolt Labs/Mad Science Blog was looking for a way to keep his cats happily fed while away on a short vacation, so he put together a cheap and easy automatic feeder to ensure that ...

Vice President Copley Controls Corp. Canton, Mass. Historically, industry has depended on ball screws, belt drives, and pneumatic mechanisms for automation’s positioning tasks. But the rising demand ...

While you're away you can let your cats have the run of the place, but if you put out too much food at once hilarity may not ensue. You can make a pretty easy automatic feeder using a glue stick, ...

The ABCs of PID control. Considerations for interfacing elements in the electrical circuit to accomplish those parts of the PID function for position control. Firmware code implementation.