RCX to RCX Communications Group 1 waits until it receives message 1, then does its music       and action, then sends mail message 2. Group 2 waits until it receives message 2, then does its music       and action, then sends mail message 3. Group 3 waits until it receives message 3, then does its music       and action, then sends mail message 4. Group 4 waits until it receives message 4, then does its music       and action, then sends mail message 5. Group 5 waits until it receives message 5, then does its music       and action, then sends mail message 6. Group 6 waits until it receives message 6, then does its music       and action, then sends mail message 1. Each group is to have its program repeat.

Example for group 6. Use the Motorized Simple machine sets to build a project with motor ( see instruction sheet G). Using Prgm 1 through 4, write and debug a program to make the model having both sound and action. On Prgm 5 write a program that will wait for the RCX before you to send you your mail number, do your song and motion, and send on the mail message to the next RCX. Questions: How far can your RCX send mail? At what angle can it receive mail? What problems are caused by physical interference, reflection, or ambient light? See another example

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Linda Hamilton Hamilton@marshall.edu LEGO Links of Linda Hamilton http://netapps.marshall.edu/lego

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