[jtsiskin]

I don’t know how “meaningful” it is, but one thing I did that I had a lot of fun programming was making a cheap home automation system. I used $6 RF outlets, a $2 RF transmitter, and connected it to my raspberry pi, and now I can turn on and off all my lights using Siri

[willhoyle]

I've always wanted to do this but didn't know it could be so cheap! Where did you find that stuff? Is it pretty reliable/robust?