We've combined the Arduino platform with a small radio transceiver into a fun, flexible world of low cost wireless sensors.
All the nitty-gritty details about the sensor communication have been packaged into a convenient software library so you don't have to worry about them.
It is as easy as 1, 2, 3.
1. Connect the parts. 2. Install the MySensors library, which includes ready-to-run examples. 3. Start measuring and controlling the world!
The community also provides adaptable open source hardware, available free of charge, if you want to build smaller sensors or actuators without dangling cables.