I'm going to combine a powered swivel sweeper, an AC-13, an EZ-B, and an ultrasonic sensor to make automated floor cleaner.
Other robots from Synthiam community

Cardboardhacker's Alex Cardboard Omnibot Twin
I decided I would start the ALeX project. This was going to be similar to aameraliss lexi 3000 v1, but I cant get into...

DJ's Cookie Monster Robot
A few years ago DJ Sures had built a Cookie Monster robot that ran on its own with 2D autonomous programming. Today DJ...

Ericez's Smart Cute Trash Can
not finished, but it was my idea to make smart trash can, This is just an experiment, later I plan to make a trash can...