Feb 17, 2008

The LEGO Rotunda

This LEGO NXT Robot takes balls from the mixer drum and by using a series of cunning devices puts them back into the mixer.

It uses a Light sensor to count the balls as they go into the skip. When five balls have been counted, sometimes more if the lighting conditions change, the skip is rotated and the balls are dumped onto the conveyor belt. This takes them to the lift which takes them up to a drop off area. The balls then fall back into the drum.

The conveyor belt is driven with a PF motor controlled by an IR Link. The lift starts as a timed event triggered by the rotating skip. So fresh batteries are a must for the conveyor belt. Both the rotating skip and lift use the motors rotation sensor to set their positions. The drop off area at the top of the lift is controlled mechanically.

6 comments:

Anonymous said...

Unbelievable. HOw do you come up with these designs????

Trey

Laurens Valk said...

That is a very cool design Karl!

Anonymous said...

When I watched the video it was just a big WOW!
I can 't believe what my eyes were seeing! What more can I say? This has gotta be the most stunning nxt i ever saw! You got talent and keep up the great work!

Nxt pie robot

NXTMonger said...

That is... [in need of a stronger word] AWESOME

Matthias Paul Scholz said...

Karl,

very nice.
Reminds me of some GBCs I've seen; have you ever taken part in one? I guess you would like it - and your machines would be a very great enhancement to any GBC around.

Anonymous said...

Those balls, they're zamors from bionicle, anyway, brilliant design!

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