Need you be connected to you home and do not know the Public IP of router you?
With a few simple steps will have our own system of notifications of Public IP in our mobile and we will always be connected to our home.
Arduino or ESP 8266 (Nodecmu) will notify us on our mobile when a change of IP Public occurs in router from our home, y always we will be connected, you will have a DDNS system, but in this case is private and the data is only stored on your phone.
No need to register or create any special account, simply download the application and configure Arduino as directed.
You will in a matter of minutes you ready notification system.
All project information www.omniblug.com