The Stiquito is a small, simple, and inexpensive six-legged walking robot. It is powered by a special metal called nitinol which contracts when heated by running current though it.

Stiquito was designed by Dr. Jonathan Mills of of Indiana University as an inexpensive robot for electronics research. His design was first sold in 1992 for only $10 in the USA.

Stiquito is so simple because its legs move in only one direction. When the nitinol wire contracts, it bends the wire legs thus providing propulsive force, and when it expands the wire legs pull the leg straight again. The tips of the legs are designed in such a way that they push one way, but slide freely in the other direction, eliminating the need for the lifting up of the legs.

The Stiquito kit is supplied in the UK with the following two books Stiquito for Beginners: An Introduction to Robotics, by James M. Conrad, Jonathan Mills.

 

Stiquito for Beginners: An Introduction to Robotics,

by James M. Conrad, Jonathan Mills.

Stiquito : Advanced Experiments with a Simple and Inexpensive Robot,

by James M. Conrad, Jonathan W. Mills.

Web links:

Stiquito homepage
http://www.stiquito.com/
Details of a stiquito controlled by a Microprocessor

Online Supplements for Stiquito at IEEE Computer Society's Web site.http://www.computer.org/books/stiquito/index.html
includes an article: Small Steps: An experiment with a small robot by Max Eskin - December 20, 1998 http://www.computer.org/books/stiquito/eskin.html

The Stiquito Project in Engr 111/112
http://crcd.tamu.edu/curriculum/engr111/stiquito/
A university project page with powerpoint presentations and some student reports.

Stiquito: A Small, Simple, Inexpensive Hexapod Robot, Part 1. Locomotion and Hard-Wired Control
ftp://www.cs.indiana.edu/pub/techreports/TR363a.pdf
Jonathan Mills describes in 80 figures and 48 pages the construction of the six-legged robot stiquito. Watch out its on a FTP site.