Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

How to Register on LPF | LPF Donations

Search results

  1. S

    Display current - LM317

    Hey, I'm pretty new at electronics. And i didn't found anything similar. Can i connect AMP meter (for example this one Amp Current Meter | eBay) between laser diode and LM317 for permanent use ? Like this: I don't know if these AMP meters are causing some side effects, which can destroy...
  2. S

    Destroyed diodes - help

    ​Hi, can someone help me here please ? I had 4 red laser diodes form DVD readers/burners. I used exacly this LM317 driver http://laserpointerforums.com/attachments/f44/33304d1308798339-small-modification-lm317-drivers-driver-250ma-out.jpg connected to 7.5V 1.5A power supply. I set the...
  3. S

    Laser Diode - after 10 min low brightness

    Hey, I bought 3 DVD drives. So, i got 6 diodes (3 red and 3 IR). I'm using this LM317 driver: http://laserpointerforums.com/attachments/f42/11711-diy-homemade-laser-diode-driver-lm317_components01_001.jpg but i added one more resistor of 5 Ohms. So the final resistance is 2.5 Ohms. I tried 4...


Back
Top