Home automation: low cost 433MHz RC power sockets

I've hacked the handset and written a libary to control radio controlled power sockets like this one:

Read more in my blog | Example with a Android Smartphone via Bluetooth | Download libary (zip file)

Btw: I also wanted to post this to the playground, but I can't create an account. Is the playground discontinued for any reason?

YOu can use the same account for playground access, you don't need to separately login (at least I don't)

Maybe you should mark the Keep me logged in tickbox (when logging in into the forum).

-- update --
PS, nice project !

AFAIR you must insert login data two times to access to the playground... don't know why.