IR Remote for the Boe-Bot
By Andy Lindsay
VERSION 1.1
WARRANTY
Parallax Inc. warrants its products against defects in materials and workmanship for a period of 90 days from receipt
of product. If you discover a defect, Parallax Inc. will, at its option, repair or replace the merchandise, or refund the
purchase price. Before returning the product to Parallax, call for a Return Merchandise Authorization (RMA)
number. Write the RMA number on the outside of the box used to return the merchandise to Parallax. Please enclose
the following along with the returned merchandise: your name, telephone number, shipping address, and a description
of the problem. Parallax will return your product or its replacement using the same shipping method used to ship the
product to Parallax.
14-DAY MONEY BACK GUARANTEE
If, within 14 days of having received your product, you find that it does not suit your needs, you may return it for a
full refund. Parallax Inc. will refund the purchase price of the product, excluding shipping/handling costs. This
guarantee is void if the product has been altered or damaged. See the Warranty section above for instructions on
returning a product to Parallax.
COPYRIGHTS AND TRADEMARKS
This documentation is copyright 2004-2006 by Parallax Inc. By downloading or obtaining a printed copy of this
documentation or software you agree that it is to be used exclusively with Parallax products. Any other uses are not
permitted and may represent a violation of Parallax copyrights, legally punishable according to Federal copyright or
intellectual property laws. Any duplication of this documentation for commercial uses is expressly prohibited by
Parallax Inc. Duplication for educational use is permitted, subject to the following Conditions of Duplication:
Parallax Inc. grants the user a conditional right to download, duplicate, and distribute this text without Parallax's
permission. This right is based on the following conditions: the text, or any portion thereof, may not be duplicated for
commercial use; it may be duplicated only for educational purposes when used solely in conjunction with Parallax
products, and the user may recover from the student only the cost of duplication.
This text is available in printed format from Parallax Inc. Because we print the text in volume, the consumer price is
often less than typical retail duplication charges.
BASIC Stamp, Stamps in Class, Board of Education, Boe-Bot SumoBot, SX-Key and Toddler are registered
trademarks of Parallax, Inc. If you decide to use registered trademarks of Parallax Inc. on your web page or in
printed material, you must state that "(registered trademark) is a registered trademark of Parallax Inc.” upon the first
appearance of the trademark name in each printed document or web page. HomeWork Board, Parallax, and the
Parallax logo are trademarks of Parallax Inc. If you decide to use trademarks of Parallax Inc. on your web page or in
printed material, you must state that "(trademark) is a trademark of Parallax Inc.”, “upon the first appearance of the
trademark name in each printed document or web page. Other brand and product names are trademarks or registered
trademarks of their respective holders.
ISBN 1-928982-31-X
DISCLAIMER OF LIABILITY
Parallax Inc. is not responsible for special, incidental, or consequential damages resulting from any breach of
warranty, or under any legal theory, including lost profits, downtime, goodwill, damage to or replacement of
equipment or property, or any costs of recovering, reprogramming, or reproducing any data stored in or used with
Parallax products. Parallax Inc. is also not responsible for any personal damage, including that to life and health,
resulting from use of any of our products. You take full responsibility for your BASIC Stamp application, no matter
how life-threatening it may be.
INTERNET DISCUSSION LISTS
We maintain active web-based discussion forums for people interested in Parallax products. These lists are accessible
from www.parallax.com via the Support
→
Discussion Forums menu. These are the forums that we operate from our
web site:
•
•
•
•
BASIC Stamp – This list is widely utilized by engineers, hobbyists and students who share their
BASIC Stamp projects and ask questions.
Stamps In Class
®
– Created for educators and students, subscribers discuss the use of the Stamps in
Class educational products in their courses. The list provides an opportunity for both students and
educators to ask questions and get answers.
Parallax Educators –Exclusively for educators and those who contribute to the development of
Stamps in Class. Parallax created this group to obtain feedback on our educational products and to
provide a forum for educators to develop and obtain Teacher’s Guides and other resources.
Translators – The purpose of this private list is to provide a conduit between Parallax and those who
translate our documentation to languages other than English. Parallax provides editable Word
documents to our translating partners and attempts to time the translations to coordinate with our
publications. To join, email aalvarez@parallax.com.
Robotics – Designed for Parallax robots, this forum is intended to be an open dialogue for robotics
enthusiasts. Topics include assembly, source code, expansion, and manual updates. The Boe-Bot
®
,
Toddler
®
, SumoBot
®
, HexCrawler and QuadCrawler robots are discussed here.
SX Microcontrollers and SX-Key – Discussion of programming the SX microcontroller with
Parallax assembly language SX – Key
®
tools and 3rd party BASIC and C compilers.
Javelin Stamp – Discussion of application and design using the Javelin Stamp, a Parallax module
that is programmed using a subset of Sun Microsystems’ Java
®
programming language.
ParallaxEFX – For animators, theatre prop builders, and those who create Halloween and other
holiday displays using the ParallaxEFX product line.
Propeller Chip – Forum for those using the Parallax Propeller chip.
•
•
•
•
•
ERRATA
While great effort is made to assure the accuracy of our texts, errors may still exist. If you find an error, please let us
know by sending an email to editor@parallax.com. We continually strive to improve all of our educational materials
and documentation, and frequently revise our texts. Occasionally, an errata sheet with a list of known errors and
corrections for a given text will be posted to our web site, www.parallax.com. Please check the individual product
page’s free downloads for an errata file.
.
Table of Contents
· Page v
Table of Contents
Preface.......................................................................................................................vii
An Autonomous Robot and a Handheld Remote.......................................................... vii
Audience ....................................................................................................................... vii
Educator Resources .................................................................................................... viii
The Stamps in Class Educational Series..................................................................... viii
Foreign Translations ...................................................................................................... ix
Special Contributors .......................................................................................................x
Chapter 1: Infrared Remote Communication...........................................................1
Getting Started................................................................................................................1
Kit Contents ....................................................................................................................1
How the Remote Sends Messages ................................................................................4
Activity #1: Configuring Your Remote .............................................................................6
Activity #2: Characterizing the IR Messages ..................................................................8
Activity #3: Capturing the IR Messages ........................................................................19
Activity #4: Basic IR Remote Boe-Bot Navigation ........................................................29
Activity #5: Adding Features to Your Simple IR Boe-Bot ..............................................33
Summary ......................................................................................................................40
Chapter 2: Create and Use Remote Applications..................................................45
Reusable Programs ......................................................................................................45
Activity #1: Interpreting the IR Messages .....................................................................45
Activity #2: Designing a Reusable Remote Program ....................................................60
Activity #3: Application Testing with Boe-Bot Navigation..............................................67
Activity #4: Entering Large Numbers with the Keypad..................................................73
Activity #5: Keypad Boe-Bot Direction and Distance ....................................................84
Summary ......................................................................................................................96
Chapter 3: More IR Remote Applications.............................................................101
Expanding Application Programs................................................................................101
Activity #1: Autonomous Navigation with Remote Speed Control ..............................101
Activity #2: Multi-Function Boe-Bot with Remote Select .............................................115
Activity #3: Remote Programmed Boe-Bot .................................................................130
Summary ....................................................................................................................154
Appendix A: IR Remote AppKit Documentation .................................................163
Appendix B: BS2 to BS2 IR Messages .................................................................177
Appendix C: Transmitting IR Remote Signals with the BASIC Stamp 2...........189
Index ........................................................................................................................199
FPGA/CPLD
