How to do with fzz file I have a file YunConfig.fzz file for arduino yun for map maker project with ultrasonic sensor.
How can I open or do with that file?
please answer me.
Download and install the open-source, Fritzing CAD software for electronics hobbyist and open the .fzz file with that.

Versions are available for Linux, Mac, and Windows.

Installation instructions are on the downloads page.