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  1. C

    First lm317 I've ever tried

    Ok so this is my first attempt at anything lasers. I've enjoyed it. But now the frustrating part. Issues. First off I followed the DIY homemade diode driver thread. Now I also have two LDs. Know very little to nothing on them. One was salvaged from a 5mW china laser pen that was green until I...
  2. C

    Greetings from Illinois.

    Hey y'all. I'm Charlie. Im from St Louis, on the Illinois side. I'm 24 years old OSHA safety certified. I have been around lasers since I can remember. Maybe the early red ones that were cheap. (Easier to point out a peace of pipe 40' in the air rather than climb to it. ) I have exp. with...
  3. C

    how to tell Lds apart

    Hey all. Iv searched this forum and cannot find a way to tell what LD I have and what pins are what on the back I know it's a green LD and its on a lm 358 chip. Im unable to post pictures but I know one came from a green pen. It someone could get a link to start my search in the right direction
  4. C

    Greenie and drivers

    Well let me start by saying hey. I'm new to register but have been lurking for awhile. Now onto lasers. I have a buddy who gets green 5mw lasers from china or something. I recently had a driver go out ( was my fault trying to find a adjustment pot that wasn't there) so I tore the pen case off...


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