I remember a full-size 4×4 car had been converted into an RC car with some added autonomous capability for one of the Sparkfun yearly autonomous vehicle challenges that includes drones and what not.

Do you desire a teeny, tiny, little Arduino board with OLED display? You bet you do! Microview is a new "chip-sized" Arduino on Kickstarter that costs $45. What can it do? All kinds of stuff!

Annoy Your Cat With This Arduino-Based RC Car Controlled With an iPad. By Joshua Schnell. Jan 4, 2012 5:32 pm PST. ... Twine Lets Everyone Turn Their Home Into a High-Tech Sensor Array; ...