Compact solution and practical, for the management of domestic users, the APP was born for reasons of necessity, I have a cottage far away and a little lost, without a landline, however, when the cold comes and decide to do the Weekend more step time to try to turn on the boiler and heat the various rooms, so I created this APP that does not need a landline, but works quietly thanks to the GSM network, in my case using an IoT sim

https://github.com/patrik1980/SMARTHOME-for-Windows

https://github.com/patrik1980/SMARTHOME-for-Raspberry

https://github.com/patrik1980/SMARTHOME-Arduino-Side