This article will save your life. A basic paper map is the simplest, most reliable and most effective way to find your location and navigate somewhere else. But, in the age of GPS and Google Maps ...

But do you know your directions? I mean the compass directions. Can you stand anywhere in your yard and point north, south, east and west? If you can't, you need find a compass and go outside.

You can do the same with all the major directions by turning with your phone in your hand until the compass needle aligns with your intended direction.

Open the Google Maps app on your Android Phone or iPhone and you will see a compass symbol on the bottom right of the application, click on this and the compass will start to work and the compass ...

To do that, Eric made use of a digital compass, twelve vibrating pager motors and, of course, an Arduino, all of which got brought together in belt form.