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Laser pointer diode Answered

I was making a laser trip wire, but I was looking online for diodes which I found, by which one would be best to get, I dont care for the color, in fact I am better off with red and the intensity can not put off heat to harm anyone. Anyone have any laser diode recommendations or have a site that I can buy them from?

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May be cheaper to just buy laser pointers and extract the diodes... There are some cheap ones at amazon.com

There are some cheap ones in Dollar stores now a days :-)