aixis laser diode

[jay210683]

hello i have recieved an aixis 200mw laser diode its got 3 pins and i have tested them with my multi meter on the diode setting and i dont get a reading acros any pins so i carnt work out wich is posotive and wich is negative has anyone got any sugestions please

 

[jay210683]

iv just found out by risking it with 2 aa's and it worked

 

[rog8811]

I can only say that you may be lucky and find it still works when you connect it to a proper circuit, may I direct you to the very first post, big red lettering, on this thread?
http://www.laserpointerforums.com/forums/YaBB.pl?num=1190456606

Good luck

Regards rog8811

 

[jay210683]

i know i used batteries that where drained and red 2.7v on my multimeter and only tuched the ld terminals for 1 second to test the polarity