Robopet

The Robopet is a robotic dog produced by WowWee that is based on the biomorphic work of Mark W. Tilden. The Robopet has IR, audio and tilt sensors and is able to wander around autonomously detecting and reacting to objects and sounds. more...

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It also performs random 'tricks' such as howling, begging, rolling over and playing dead.

Hardware and Software

The Robopet has 5 equal custom gearboxes using 2 and 3 bit position switches. The robot runs from a single processor board in its back and is controlled by autonomous routines and IR (Infrared) signals from a thirteen button remote control. The CPU is a custom-designed 16bit RISC processor with 512k of built in sound and 12k of program space and 128 bytes of onboard RAM. It requires 4 x AAA batteries and battery life is on the order of 4 hours with Alkaline batteries.

The software code is 12k of assembly language based around an operating system written in the 1980s by the inventor, Mark Tilden.

Features and Tricks

When left by itself for a few seconds, the Robopet enters its autonomous mode and starts exploring the room, responding to I/R reflected signals from objects and the floor.

The tricks that Robopet performs are: roll over, play dead, howl, paw, relief, jump, "whoops", rock and scratch. These can be activated by the user via the remote control and are randomly performed by the Robopet when in its autonomous mode.

The Robopet also features an edge-detection mode which has to be either on or off via the power switch, so it can be placed on a table without falling off, although it is not 100% successful.

The 2 axis tilt internal sensor detects whether the robot has fallen over, and it can automatically right itself.

Programming

Like the other WowWee products to date, the Robopet can be programmed. It has 9 remote-control accessible tricks and 5 direction functions (forward, backward, left, right, and stop) which can be sequentially placed into a 20 step program.

It also features "Good Dog" and "Bad Dog" buttons which either encourages or discourages it from performing recent "tricks".

Read more at Wikipedia.org