The activities in this text use the BASIC Stamp 2 microcontroller module on a Board of Education or a BASIC Stamp HomeWork Board.  It is included in the BASIC Stamp Activity Kits and BASIC Stamp Discovery Kits.

Version 3.0

• The cadmium-sulfide photoresistor was replaced with a RoHS compliant phototransistor for all light-sensing activities, requiring re-writes of Chapters 7 and 10.
• Chapter 4 includes improved servo control activities and illustrations.
• The Setup and Testing instructions from Chapter 1 and the Troubleshooting from the appendix have been moved to the BASIC Stamp Editor Help file.
• The Parallax CD is no longer included.
• Chapter 10 has been redesigned with a new final project prototype.

Version 2.2

This version uses a cadmium-sulfide photoresistor for all light-sensing activities.  The zip archive for this older version includes an errata document and one BASIC Stamp example program cited as a free download in the text.