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File:Midterm-2.jpg

168 bytes added, 21:10, 3 February 2010
The breadboard. The laser pointer (green and white alligator clips) is powered by 3 volts' worth of button batteries. The relay is powered by another pack of batteries.
The breadboard. The laser pointer (green and white alligator clips) is powered by 3 volts' worth of button batteries. The relay is powered by another pack of batteries.
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