September 2000

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Robocup 2000 Daniel Myall reports from Melbourne on the excitement of Autonomous Robot Soccer!
QuickCam Interface: plus PC-Parallel Port on a 68HC11 Tom Dickens successfully interfaced a PC black & white parallel-port version of the QuickCam to a 68HC11 microcontroller.
Interrupt driven serial routines Kevin Ross shows how to implement interrupt driven serial routines for the HC11 and HC12
Halfstepping Stepper Motor Controller Hans Scholze demonstrates how to create a half stepping motor controller from descrete logic parts.
The Aerosonde Robotic Aircraft Larry Barello shows us a field trip to see a Robotic Aircraft. (Edited by Steve Kaehler)
Variable Speed Control Modification to the Futaba S3003 RC Servo Lee Buse does some extremely interesting hacks on a servo motor to make a variable speed gearhead. A great new twist on one of our favorite technologies.   (Edited by Steve Kaehler)
Monday Night Chat Introduction our latest scheduled event, the Monday Night Chat. Read all about it.
Dafydd Walters Robot Dafydd Walters shows us his current work in progress, which is a multi-purpose firefighting robot.


Hot Links Here are this months list of interesting links. If you find a cool one, send it to us and we will add it to the list of Hot Links. This list will change each month.
Standard Technologies of the Seattle Robotics Society Just getting started? You might like to check out this link that documents some of the standard technologies that the Seattle Robotics Society suggests for those just starting out. This article explains a lot of different aspects about building a robot. Have a look!


Clifford Heath of Australia has annnounced the first release of DB11, a command-line MC68HC11 loader and debugger. This open source postcard-ware program is based on his earlier DL11
but uses a talker program in a similar manner to Motorola's venerable
PCBug11 to provide a minimal footprint on the MC68HC11. 

Runs on Linux, comes with source code, and should be easily ported to Windows.

Scheduled Events Here is a list of upcoming events and tech sessions
September 16th, 2000 Our regular monthly meeting
Monday Night Chat Every Monday Night, we have a chat session. Join us to talk robots, ask questions, or just hang out with the gang.


Quick Notes Interesting bits of news and trivia
Authors Needed! The Encoder is actively seeking authors to help write the Encoder. The key to growing in this hobby is communicating your experiences to others. The Seattle Robotics Society Encoder is one of the premier resources for amateur robotics on the Internet. Each issue is read by thousands of people around the world. Please consider sharing ideas with us. Check out The Encoder Writers Guide for information about how you can help spread the excitement!

For information about submissions or comments about the online Encoder, contact Kevin Ross