| | | For anyone interested... I picked up a few 3VDC laser pointer modules from RadioShack recently for less than $10.00 each. The module is RS#277-1101. Here is a link to a picture of it next to a 2x4 brick. (URL) is a link to the PDF file for the (...) (22 years ago, 5-Jun-02, to lugnet.robotics)
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