Page 214 - LEGO MINDSTORMS - Robotics Invention System-2 Projects

Robot 7 • The LEGO Safe

Bricks & Chips…

Using an Axle Extender
The axle extender is a good tool to use when an
axle needs to be lengthened.

Motor Step 1

Don’t attach the gear yet at this point
in the construction. Put the gear aside
until the final step called “Putting It All
Together.” Refer back to this picture then, if
necessary.

Developing & Deploying…
Changing the Safe Code

The touch sensor sequence necessary to open the
Safe can be re-programmed at any time.

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