Robodog "Antenni" is an electronic dog built from LEGO Mindstorms NXT, Arduino and Raspberry Pi. It can be controled from a browser using web interface.

Components:

Chassis build from Lego Mindstorms NXT

Speaker and accelerometer mounted on the bottom side of chassis

"Brain" of the robodog: Raspberry Pi

Arduino MEGA 2560 controls motors and sensors

Lego NXT mottors are connected via OpeneElectrons NXShield-M attached to the bottom of Arduino

Power circuit provides stabilized 5V for Raspberry Pi

Infrared proximity sensors allow Antenni to "see" it reached edge of the table

The head of the robodog is mounted on servo pan/tilt brackets

"Eyes" of Antenni is an ultrasonic range sensor. The "nose" is a web camera:

Robodog fully assembled