When we were asked to design something from a building site, myself and Leon thought about a crane - there are lots of cranes on the sites around here, especially at Spencer Dock. There are usually cranes on every building site. To build the crane we first needed to construct a solid base. We started to build the base of the crane then the arm. We used bricks for the base and beams for the arm. Then we put some beams across and carefully put string through the holes. This was attached to a pulley. We used string to lift stuff up.
We programmed the RCX box later on the whiteboard. We chose direction and times that the motor should move. We programmed the motor to go down for two seconds and then change, and move backwards for two seconds. It was tops!
By Eric
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