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It certainly reads like something someone copy/pasted from ChatGPT :LOL:

Excellent resources, everyone. Thank you very much!

Thanks, Paul! I realize my original question was a bit misleading. Your response about cylindrical lenses to make the line make so much sense that I'm disappointed I didn't realize it sooner. The misleading bit was that I'm actually asking more about how the laser steering tends to work...

Hi, all! A couple of questions that have been on my mind, and I've been struggling to find good resources to learn about these since there are so many products that fall into these categories. Basically, I have two questions: How do laser levels generate the laser line? I assume it's using...

If you're referring to duty cycle, around 15 seconds. Actual lifetime of the diode, well, as long as I don't try to push that duty cycle, I don't see why this won't last years! Admittedly, I don't know the exact lifetime of these diodes, so if someone better versed wants to chime in...

Well that's one of the big issues with this place. I continually reminded them about how insanely off-spec these things were. All of the people who bought these for me (seriously, they got me like 5 lasers) were so excited that they were adding a 5W laser to my arsenal since they knew I didn't...

Not to chime in too late here, but I actually got really deep into some e-mail based fighting with them last year. Some family and friends found the site and thought these would be perfect gifts for me (great idea!), but of course every single laser they sold were severely underspec. I measured...

You know, I'm kind of amazed. I recently made a 1.4W 462nm that would overheat after about 7 seconds. This 4.8W can run for about 20 seconds before it gets decently warm -- it can definitely run longer, but I'm trying to be conservative at first until I get a better handle on how this thing...

(I hope the x-post and this section of the forum is correct. My apologies if not! I'm happy to move it where it needs to be.) Super excited that I just got this working! I've been on a binge lately of building stupidly powerful lasers into these laser66 pen hosts (I absolutely love these...

Super excited that I just got this working! I've been on a binge lately of building stupidly powerful lasers into these laser66 pen hosts (I absolutely love these things!). I personally love the form factor of these pens, and the more power I can jam into them, the better. This build came out...

Bob, click on the word "THIS" in my last post. It's a hyperlink.

Is THIS the build you're talking about?

Hey, Bob. Can you link to the laser in particular you're eyeing? I may be able to custom build one for you.

Hey, Bry. I'm putting together a post of my recent builds, but I've got experience with these high power laser builds. Feel free to PM me to talk more!

I actually have some 10440's coming in the mail (they're taking weeks, ugh). They're my saving hope in my pen laser endeavor (did manage to make a 1W 440nm in a laser66 pen case earlier tonight though!). The couple of diodes I looked at earlier in particular were OSRAM 450nm 1.6W and OSRAM...

I have some pen hosts lying around that I'm itching to put together, but as I'm pouring through my diodes, I'm realizing they're all around 6V minimum forward voltage. The hosts I have can tolerate 2xAAA, so as far as I know I'm limited to ~3V. Have any of you run into similar issues? The best...

Just got it done, you two! Thanks so much for the help! Literally just finished my own first laser build AND it was a pen!! Ahh, I'm so stoked!

Rivem: Any chance you can elaborate on that a bit? I'm trying to think about how that'll work -- is it through the battery? I'm still struggling with how this PCB is going to fit in the whole picture? And at that point if the batteries need to be in a particular orientation...

Life: That's awesome! That's definitely putting me in the right direction. Any chance you can elaborate on what else you did here? Did you tie the case pin to something? I can clearly see your V+ connection on the board but not much else. Very much appreciate anything else you can give me!

@Rivem: I've been looking through the video and the post you linked to, but the issue I'm having in every single guide I see with the switch PCB is not showing the actual connection to the board. Those are still really great resources you've posted! Thank you!