SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!


Member Since: December 12, 2010

Country: United States

  • Thanks for the tip. It turns out if you don’t want to use that tiny pad near the button, you can also use the metal laser housing as the positive terminal.

  • I just got my laser from the new batch, but its circuit layout is different from that pictured above. Mine doesn’t have the two solder points, and the spring takes up the entire back of the board. How do I hook it up to power?

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