Digital Kitchen Weighing Scale Interface for Arduino

Intro

I developed an interface program for the Arduino to read out a scale. There is no additional electronics needed, just two wires between the internal scale electronics and the Arduino.
See more here:
http://www.avdweb.nl/arduino/hardware-interfacing/scale-interface.html

Arduino scale output to the screen:

Tare . done
0
0
118
118
118
0