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Getting started with Lego Mindstorms, Java, and Lejos
Alvin J. Alexander
DevDaily.com
Contents
Getting started with Lego Mindstorms, Java, and the Lejos Operating System
Getting Started with Lejos
System requirements overview
Lego Mindstorms kit
Lejos operating system
Java SDK
PC with a USB connection
Getting the Lego hardware hooked up
Installing Lejos onto your PC
Setting up your environment
Installing the Lejos operating system on the brick
Error messages you might see
tower not responding
no response from crx
Writing your first Lejos program - "Hello, world"
Compiling the HelloWorld program
Sending the class file to the RCX/brick
Running the program on the brick
A second
"Hello, world"
program
The RCX motors
Example - moving the RCX motors
Compile and run review
More to come ...
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