The Raspberry Pi Pico is a low-cost, high-performance microcontroller board, It has flexible digital interfaces and it is very small but powerful. The board offers users the chance to develop projects ...

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

If the source of supply is d.c. (for example in a battery vehicle or a rapid transit system) a chopper-type converter is usually employed. The basic operation of a single-switch chopper was discussed ...

Discover how to create a simple electric motor using everyday materials in this step-by-step tutorial. Learn how to build a homemade DC motor by winding copper wire into coils, constructing a custom ...

The most common arrangement, which is used with only minor variations from small drives of say 0.5 kW up to the largest industrial drives of several megawatts, is the so-called two-loop control. This ...