The table shows the pin configuration of the Arduino UNO–based robotic arm. The red (VCC) wires of all servos are connected ...

Discover how to create a DIY mini helicopter using recycled materials like a Red Bull can and a small plastic bottle. This step-by-step guide shows you how to build a functioning model helicopter, ...

Discover how to create a detailed motorized scooter model using mainly cardboard and recycled materials. This step-by-step ...

Magnets keep strings suspended without anchor points, and pushing a magnet piece bends notes, so you get expressive sounds ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...