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    Does my LM317 driver need a test load?

    Hi all, Inspired by styropyro I am building a red laser pointer. For the driver circuit, I plan on using an LM317 with a few filter capacitors and a reverse protection diode. According to an online calculator, I need a 1.6 ohm resistor to drive my diode at 800ma. Do I need a test load to set the...


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