December 2001
Intermediate to advanced
448 pages
18h 49m
English
Content preview from Building Robots With Lego Mindstorms
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364 Chapter 18 • Replicating Renowned Droids
The head mechanism is nearly identical to the one we designed for R2-D2:
A pulley-belt system rotates a worm gear, which engages a 24t.A cam closes a
touch sensor when the head is centered (Figure 18.16).
We got sentimental and rebuilt for Johnny Five the same head we designed
together in 1998 for one of our first MINDSTORMS projects, called S3 (see
Figure 18.17).
NOTE
Refer to the earlier section on programming the R2-D2-style droid when
programming the Johnny Five robot—the two models can be driven by
the same software.
www.syngress.com
Figure 18.15 Johnny Five Bottom View
174_LEGO_18 10/29/01 4:29 PM Page 364 ...
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