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You'd also want to put the pass transistor on the other side of the laser diode. It would work as-is if you had 12V input maybe, but it's best practice to put NPNs on the "low side" when possible.
You'd also want to put the pass transistor on the other side of the laser diode. It would work as-is if you had 12V input maybe, but it's best practice to put NPNs on the "low side" when possible.