A robot to tell you when to change the cat litter without having to go and take a look would be great.
By sweetn8
Other robots from Synthiam community

Ezang's Following, Tracking The Blue Line With ARC
Thanks for teaching us how to track - used ARC camera movement tracking, sorry for the squeaking, had the tail upside...

Smarty's Ez-Robot Halloween Witch Esmeralda
one of my projects: Named: Esmeralda The Witch! A new designt PROP, better looking and new colored. PIR-Sensors,...

DJ's And Now For Something Completely Different (Pdp-8)
This isn’t robot related... although I used ARC to make the software vc8e emulator. Read on... I’ve always been a HUGE...