What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

One of the perennial challenges of building robots is minimizing the size and weight of drive systems while preserving power.

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

Micah Castelo is a web editor for EdTech: Focus on K-12. Her experience includes education and community news coverage for the Syracuse Post-Standard and international news reporting for the Pulitzer ...