Video tutorials -

• LEGO MINDSTORMS EV3

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• Container

A robot that contains balls and releases them. It counts how many balls to release depending on the "treasures" it has hunted on the field. This is part of the World Robotics Olympiad 2015 Elementary challenge. 

Next robot construction for holding and releasing balls from this container. In this video we discuss the improvements and how to use the chains to release one ball at a time.

Improving the construction for the World Robotics Olympiad missions. The improvement is in the position of the sensor and the size of the balls container.