Description The walker was build with the following in mind: easy to build, reliable, robust, not too expensive, battery operated and using common parts. It will be a basic walker without any sensors or a reverse mechanism. You can add these as you like. A complete manual is available at http://vsim.freeservers.com/walk-kit.html Functions. The robot was build that is is possible to walk on 4 legs with only two motors and a minimum part count. Specifications Height : 115 mm Width : 160 mm Length : 180 mm Weigth excl. battery : 142 Gram Frontleg swing angle : 90 Degrees Rearleg swing angle : 90 Degrees Speed : 18 sec/metre [ 0.056 m/s ] Power supply : 3-15 V Power comsumption : 100 mA Parts used 2 cheap servo's 1.IC's : 1x 74HC14, 1X 74HC139 2.Capacitors : 4x 0.22uF, 1x 2.2uF 3.Resistors : 3x 1M, 1x 2k7 4.Diodes : 1x 1N4148 5.Other : 2 IC sockets, 2x 5M vario-resistor, LED red, battery holder, power switch Total costs about 40 US$ Time to build approx. 4 Hours. Email: vsim@mail.com