need your help for home based automation project
Hello
I am working on home based automation project, i need your sugestion that what transmission should i use for home based automation project which should be cheap and can cover range of 500 sq yard house, below are list of communication techniques on which i am concentrating now.
FM communication
blue tooth
or GPS
Currently i am concentrating on FM transmission because its range is quite suitable than blue tooth.please help me out which communication technique i follow and why
Thanks in advance