I'm not sure why you answered your own question (not very well) but have you seen these two?https://www.instructables.com/id/Laser-Flashlight-Hack!!/https://www.instructables.com/id/Blu-Ray-Laser-Phaser!/L
Select as Best AnswerUndo Best Answer
Have you tried this??
I would expect the laser diode to burn out.
No, but I'd thought that Kipkay's stuff usually works. Thought mind, I haven't tried it.L
Hi Lemonie - I actually meant the original poster, not you, but couldn't add to his 'best answer'. I'd expect raw 9V to fry a laser diode.
Oh yea, I would too..
'Cause they wanted to be 'best answer'?
Mmm, I found a simpler way.L