A robotic arm design is a mechanical device which is designed to replicate the movements and functions of the human arm. It ...

Discover how to build a DIY magnetic stirrer from basic materials in this easy-to-follow tutorial. Perfect for mixing tea, coffee, or even for science experiments, this homemade magnetic stirrer uses ...

Silica gel packets are the kind of thing most people toss in the trash without a second thought, yet a growing number of ...

One part wants 3.3V logic. Another wants 5V. What do you do? Over on the [Playduino] YouTube channel, there’s a recent video running us through a not-so-recent concern: various approaches to ...