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How do I identify laser diode connections? Answered

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bravoechonovember1 (author)2015-02-26

if it is a three pin diode and has the middle pin on the right side

the top pin is + middle is - and bottom controls something that i dont know

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dog digger (author)2012-04-11

Trail and error is the best way but it depends on the type of laser diode.

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NachoMahma (author)2010-12-13

. Use a multimeter with a "diode check" function. Many multimeters will do the job on x1 ohms, but there is a slight risk of sending too much current through the diode.

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