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Recognitions
Although Parallax designed the Toddler, we recognize that the first time we have seen the two-servo
concept employed for a walking robot is British robotics designer David Buckley’s Big Foot. Though the basic
concept is simple, our research shows that Mr. Buckley created the ingenious use of two servos for a walker.
Big Foot is a plywood kit available through Milford Instruments (www.milinst.com) of the United Kingdom.
David Buckley endorses the Parallax Toddler robot and contributed to the Toddler design.
extract from Advanced Robotics with the Toddler, Student Guide, Version 1.0
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Robotics: The Toddler bipedal walking robot |
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The
Toddler is a two-servo bipedal robot controlled by an embedded BASIC
Stamp 2 microcontroller that stands 10" tall. This is a
high-quality machined kit made from aluminum and brass metals. |
The
Toddler robot can:
- Teach you the basics of embedded
control
- Walk basic patterns including
straights, turns and "figure 8s"
- Follow or avoid light
- Avoid or seek objects using infrared light
reflection (i.e. stay on the table without going over the edge)
- Interface with digital, resistive,
and frequency sensors of your choice
- Connect to Parallax AppMods
(Compass, Sound Amplifier)
- Entertain friends with its LED
lights, sound and motion
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Toddler Full Kit
- Gold
Toddler Full Kit - Blue
 
Introducing the Boe-Bot's
walking counterpart: the Toddler!
This walking robot shifts its
center of gravity to walk and turns by sliding its feet in opposite
directions.
Hardware The Toddler is a
high quality robot CNC-machined from aluminum and brass. The
aluminum parts are brushed, anodized, acid-etched to make the
perfect finish (put the legs on a buffing wheel for a silver
shine!). The package includes body parts, legs, ankles, control
linkages, screws/nuts/standoffs, etc. Requires 2-3 hours to
assemble and tune. The aluminum parts have holes, slots and
configurable mounting angles for your own customization. A complete parts listing is available in
Appendix A of the Advanced Robotics text.
Electronics The Toddler is
controlled by a surface mounted BASIC Stamp 2 module. Four
infrared sensors and receivers, LEDs, servos for tilt and stride,
resistors/capacitors, speaker, photoresistors complete the control
system.
Documentation Includes the
155-page Advanced Robotics text in the Stamps in Class style and
the 455-page BASIC Stamp Manual.
Education Walking robots
have mechanical and software interdependencies that require
in-depth examples and explanation. The Advanced Robotics text is a
155-page introduction to the Toddler's basic movements. Students
using the Toddler will learn advanced embedded programming with
BASIC, efficient code development, sensor feedback, and general
control. Because of the number of possible movements (34) we
consider the Toddler to be appropriate for those aged 14 and
above.
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Advanced Robotics
Text 1.0
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$24.00
#122-00001 - 1.0 lbs.
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This
text is included in the Toddler Full Kit (above) and is also
available for download (left). As with all Parallax educational
texts, schools may freely duplicate our printed material for their
classroom use. Picking
up where the Boe-Bot left off, this text will show you how to
program the BASIC Stamp to control the Toddler through his 34
movement patterns, sensor interfaces (photoresistors, infrared,
etc). Because of this complexity and coding concepts we suggest
the audience be age 14 and older. (ISBN 1-928982-14-X; Parallax,
Inc. Press; 155 pp.)
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Toddler
Printed Circuit Board
$129.00
#550-00020 - 0.5 lbs |
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The Toddler printed circuit board
(PCB) has a BASIC Stamp 2 surface-mounted right onto the board.
The PCB has four I/O locations for three-pin cables (two are used
for servos), infrared LED and receiver ports, breadboard, a DB-9
programming port, voltage regulator and 6V power connections, a
three-position power switch (ability to turn off stride and tilt
servos but still run programs), reset button and a power light.
This board is included in the
Toddler Full Kit but may be purchased separately as a replacement
or for your own robotic projects. Overall
dimensions are 3.0" x 3.0".
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BASIC Stamp®
is a registered trademark of Parallax, Inc. This web site last updated November 25, 2002. Please send your comments about this web site to the Parallax
Webmaster. Copyright Parallax, Inc. 2000-2002.
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