Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: Board project: In this project you'll see how simple it is to make an rc car ...

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your ...

Solids, liquids and gases are called the three states of matter. Liquids can flow or be poured easily. They are not easy to hold. Liquids change their shape depending on the container they are in.