Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

Learn how to build your own simple DIY air pump using a plastic syringe, a small DC motor, and basic materials you may already have at home. This easy-to-follow tutorial walks you through each step, ...

A small do-it-yourself desk robot named Mo-chan has been shared with makers, demonstrating how individuals can build simple ...

This circuit takes advantage of the voltage drop across bridge rectifier diodes to produce a 5-position variable voltage supply to a DC fan or other small DC motor. It is not as efficient as a ...