July/August 2000

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Skatebot: A Cheap Fun Development Platform Robert Jordan of the Dallas Personal Robotics Group shares his latest creation, Skatebot!
First Steps: Using B32's Interrupts IRQ and XIRQ Doug Leppard continues his First Steps articles, this time showing how to setup and use the IRQ and XIRQ in a project to handle wheel encoders.
A HOME-BUILT CHARCOAL-FIRED FOUNDRY Gene Elliott shows us how to build a small foundary for use when camping out in the woods! Edited by Steve Kaehler
R/C Pulse to PWM converter Larry Barello shows a quick project to create a R/C pulse to PWM converter
SRS Meeting: July 15, 2000 Notes from our July meeting
SRS Meeting: June 17, 2000 Notes from our June meeting
Fixed point math Kevin Ross describes how fixed point numbers work.
Hacking a Polaroid Sun 660 camera Daniel Weatherford hacks a Polaroid camera to salvage the sonar unit for under $10!


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!
GEARS! The links on the left were sent around as potential suppliers for gears.
http://www.indai.com/robot ARC is a free simulator of multiple mobile robots. It is used
to test controllers devised by the user in order to streamline the design
phase previous to their installation in real robots. You can model any robot of 2 wheels (geometry, sensors, ...)
Scheduled Events Here is a list of upcoming events and tech sessions
August 19th Our regular monthly meeting


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