Popular Science Magazine is making my day much easier. They've come out with The Big Book of Hacks: 264 Amazing DIY Tech Projects [2] which includes a section on how to make a plant-watering robot out of a Roomba [3]. If that's not for you, how about learning to make a carrying case for your ereader. Or, how about making your car run on trash? Check it out.
Links:
[1] http://www.hcpl.net/users/angel-hill
[2] http://catalog.hcpl.net/ipac20/ipac.jsp?menu=search&aspect=subtab13&term=big%20book%20of%20hacks%20popular%20science&index=.GH
[3] http://www.irobot.com/en/us/robots/home/roomba.aspx
[4] http://www.hcpl.net/category/tags/diy
[5] http://www.hcpl.net/taxonomy/term/34