THERE’S no end of secrets tucked away inside your iPhone – including a hidden spirit level feature. Yes, your iPhone has a built-in function that can work out if a surface is level, so you can do away ...

Whether you are tackling a full-on carpentry project or simply hanging something on your wall, a bubble or spirit level is an essential tool for getting things done right. All of us have had times ...

A spirit level, you know the kind of level with a little bubble in a tube of fluid, is a basic construction tool. [DesignBuildDestroy] took an Arduino, a gyroscope chip, and an OLED, and made a 3D ...

We reveal one of the fun tools Apple has tucked away inside every iPhone THERE'S no end of secrets tucked away inside your iPhone – including a hidden spirit level feature. Yes, your iPhone has a ...