How To Program Your Lego Nxt 2.0 Color Sensor To Sense The Coin Does Anyone Know A Good Lego Nxt Projects Site?

Does anyone know a good lego nxt projects site? - how to program your lego nxt 2.0 color sensor to sense the coin

Www.nxtprograms.com also, anyone know a good site with projects (instructions, examples of programs) for Lego Mindstorms NXT? A kind of machine gun lego rubber band or NG would be good. Thank you!