Here is a link I just ran across with a youtube video with some of the technical details of interfacing a $20 Walmart scale to the computer.NerdKits - Digital Scale Strain Gauge Weight Sensor
The intended application was for inventory monitoring at a Bar.
I have one
BCS-460 Temperature Controller - Interactive web based interface, data logging, and programmable control rules.http://www.embeddedcc.comBecome an ECC fan on Facebook
How much? I did not see much on the site....is it more than $20
My other web site. swampwaterbrewery