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  1. M

    Help with LM317 laser driver

    I thought I had to be as follow to limit correctly : But If I am, that's good and thank you ! :)
  2. M

    Help with LM317 laser driver

    Hi, I'm new here, so please forgive my ignorence... Here is a driver I made : And here is the caracteristics of the diode : Now, here is the problem : It perfectly works, no overheating,... On the laser diode, it shows : 550mA and 4,5V and that's exactly what I want. But, theoretically...




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