In this insightful and educational video, learn how to make a mini generator 220v using a DC motor. This step-by-step guide ...

Learn how to make a DC motor at home with our step-by-step guide! This video will take you through the simple process of creating a working DC motor using everyday materials. Discover the principles ...

The worst thing about a volume knob is that, having connected it to a computer, it might be wrong: if you’ve manually altered the volume settings somewhere else, the knob’s reading ...