For my domotic project, I’ll need some sensors node. A node is a module with input /output (T°, Hr, Pulse input, Command) and a communication medium (Rf, Serial, Rs485).
The most used on the web is an Arduino core coupled to an RF module.
Below some link with information about RF module :
- http://hallard.me/bp-ulpnode/ : ultra low power with long battery life CR2032.