Yesterday I got the Minion City Arduino compatible device. It's a tiny device that provides Arduino Leonardo compatible board with a built-in RF12B radio. I got two of those to try my hands with Arduino development with the first project planned to be a basic weather sensor (temperature, humidity, barometric pressue, ambient light).
There is scant little documentation, it is all hidden across multiple blog posts and kickstarter project description. The first thing I needed to know was that this is an Arduino Leonardo and then that the LED is on pin 16 rather than the usual pin 13. There is a green led that lights occasionally and I still don't understand it's purpose.
So far I checked the led and the keyboard control which is really nice, now I need to get myself a breadboard and some sensors to do what I really want from it.