This is a LEGO machine that performs a scan of a black and white image. It puts the scanned picture on the NXT display.
Designed, built and programmed by Jonathan Daudelin.
Building and programming instructions for this robot can be found in ‘the NXT Idea book’.
http://www.thenxtstep.blogspot.com
Search Amazon.com or google to buy this book.
Within the Netherlands you can order it at:
http://www.postorderboekhandel.nl/object/9781593271503/
Duration : 0:2:1
This shows how the LEGO Mindstorms NXT image scanner was built