Sundials, one of humanity’s oldest ways of telling time, are typically permanent installations. The very good reason for this is that telling time by the sun with any degree of accuracy requires ...

Instructables user benhur.goncalves has published a new project that provides details on how to create your very own DIY Arduino watch that is equipped with a number of useful features that include ...

If you’re familiar with using a compass (the tool that points to magnetic north, not the one that makes circles) the concept of holding the device level makes sense. It must be level for the needle to ...