set your Serial com port to which the arduino or zigbee is connected.
Video Link: https://www.youtube.com/watch?v=3Sr4f0cUMxc&lc=z13jify4vs3svbutb231hja53xbsjdp4l04
Credits:
This project would not have been possible without these two guys;
www.pyimagesearch.com bradmontgomery https://github.com/bradmontgomery