LEGO Mindstorms Technic Pin Sorter using compressed air

Display at Lego Fan Weekend 2013 in Skærbæk A technic pin sorting machine using compressed air for ejecting pins The pins are feed from the tumbler one by one and dropped on a fast moving conveyor. This ensures a minimum distance between the pins. Next they pass a color senor which measures the color, shape and length of the pin. These measurements are compared to the profiles of all types of pins and scored by similarity. The matching profile gives which output to activated and when to do it. Pins that don't pass the similarity threshold are ignored and drops in the container at the end of the conveyor.