Roomba it ain't, but if you're either pressed for cash or have a tinkerer's itch, then you'd probably be more comfortable building your own robotic butler, er, vacuum cleaner. Electronics today has ...

Arduinos! They’re a great tool that make the world of microcontrollers pretty easy, and in [cptlolalot]’s case, they also give us an alternative to buying expensive, proprietary parts. [cptlolalot] ...