An Arduino-based robot for people who don’t know how to build ... maze solving, wall avoidance, room navigation, object retrieval, follow/hide from light sources, shape drawing, computer ...

Living proof is this human-following robot/car that was build by the YouTuber over at DIY Builder, which relies on an Arduino Uno as the brain of the device.

The Inebriator is a homemade robot bartender powered by an Arduino, ... a robot bartender doesn't have ... the Inebriator removes all traces of human interaction and instead acts as a dumb ...

The build relies on the classic Arduino Uno microcontroller, which talks to a HC-SR04 ultrasonic sensor module and two infrared sensors in order to track a human target and follow it around.

Make: Arduino Bots and Gadgets: Build your own robots, turn your ideas into prototypes, control devices with a computer, or make your own cell phone applications with these six easy projects.