for your win-win business
i just read your project and am very interesting about your project
especially, in your project, by using android device, temperature sensor etc
all is very important to person. i think
i think android device implements temperature sensor and display temperature as interface.
as control engineer, it is very important .
feedback principle was fundamental principle in control .
also through wifi. you can communicate.
i have top android developer and have experienced about this development.
also i have experienced for 7 years.
thank you for your post