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  1. M

    identifying LD pins.

    Am I right in assuming A is positive and B is negative? Should I just connect B And C together like I've seen done on some other lasers I've looked at?
  2. M

    Resistors for LM317

    The output of my DDL is going to be approx 500mA, I've bought 0.25w resistors (10ohm) I'm going to stack 4 of them in parallel... does that pose a problem?
  3. M

    LM317 Question

    Hello All, I'm currently in the middle of my first laser build (Link), and am following the LM317 driver build here, with a 300-400mW red laser diode/extracted from LPC-826 (link). The LM317 build I'm following suggests two 10ohm resistors in parallel, which produces 250ma of drive current...
  4. M

    Moderators / Admins

    Could you please move this thread here: http://laserpointerforums.com/f50/first-build-69596.html#post1004405 Then delete this post, Looks like I posted in the wrong section. Thanks
  5. M

    First build

    Hello all, I recently bought a (terrible, but cheap) 532nm laser pointer from eBay, when I received it, I was smitten, I've been walking around at work willing there to be fog... however it's very cheap, not reliable and I want more... So, I've decided to build my own "burning" laser... I'm...
  6. M

    Hello

    Hi, I'm Max, I guess I have to post here before I can make my own thread?


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