1. Using the BlueJ IDE with Mindstorms LMICSE Workshop June 14 - 17, 2005 Alma College

2. What is BlueJ? Freeware developed by Michael Kolling and others A popular integrated development environment for Java Often used in introductory CS courses Available at www.bluej.org, easy to installwww.bluej.org,

3. Open BlueJ on your Computer Click the BlueJ icon on your computer’s dock at the bottom of the screen. It should open BlueJ with a project we have already created: GoForward The BlueJ IDE

4. Setting up BlueJ for Mindstorms Two requirements Install Lejos Available from lejos.sourceforge.comlejos.sourceforge.com Just do the basic install Add the BMJT plugin to BlueJ Available from ddi.uni-paderborn.de/mindstormstools/bjmt Installation is just dropping two files into the extensions folder of BLUEJ Good instructions available online This is already done for you on your Macintosh!

5. Once the BMJT Plugin is installed You need to configure it This is already done for you on your Macintosh! set the path to the JDK set the path to LeJOS just say usb there is a 1.5 option in newer versions choose configure

6. Firmware Now you can download the firmware to the RCX Plug the tower into a usb port if on a PC you may need to install the usb drivers Place the RCX in front of the tower, turn it on Choose Firmware You will see a progress dialog on the PC On the RCX you will see an ascending series of numbers choose firmware

7. Compiling an Existing File Right-click (Command-click) on the file icon Choose Compile from the pop-up menu choose compile not this one!

8. Downloading a Project Robot must be on and in front of tower Right-click (Command-click) on the file icon for the main class Choose Download from the pop-up menu choose download

9. Try it Out! Make sure both bump sensors are attached to port 2 (stack them). Place the robot in its play area. Press run. It should move forward until it hits an obstacle.