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Sanwu Pocket laser extended double battery mod
I didn't get my pocket laser for burning, but I figure while I have it I might as well do some burning. I have found, especially when the battery has just a little use on it, the wide spread dot when...
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New Drone :)
So anyways I had a bit of spare cash this month and decided to treat myself to one of these.. The DJI Spark...and what a bit kit. Below are a couple of vids, the first one being its maiden flight. Go...
View Article505nm diodes availability
Hi everyone, Does anybody know a source of the SB1473N91 or the SB1573N91? Yesterday I got in contact with all the suppliers that I know: Newgazer, Existotem and Techhood were all out of stock....
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Looking for projector/laser pointer help
Hi everyone, excited to have found this group and hoping that someone can point me in the right direction. I have an application where I am taking multiple images of an object from different angles so...
View ArticleNew purple laser isn't a dot
I just got a new laser from eBay which is a 405nm laser. When I first turn it on it wasn't a dot. I had to focus it for it to at least look like a dot but still doesn't look like a solid round dot. Are...
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Divergence question
Hey fellas, so it turns out i have a few LPC-840's to experiment with, i thought i was going to be working with the 836's but nonetheless, i bought a 660nm heat sink module + host from ebay for it, i...
View ArticleHowdy All!
Hi, New member from Canada here. Just getting into the hobby, have a couple of low powered red/green lasers and have a sanwu pocket coming :) Hope to learn a few things and this seems to be the place...
View ArticleSanwu glasses
I have a Sanwu Pocket 445nm 500mw laser coming.. I also ordered a pair of their red OD3 laser protection glasses. Are they good enough for this laser? Or should I get some other glasses? Cheers!
View ArticleDOA 301/303 Laser
I just received my cheap less than advertised power 301/303 type laser pointer from Aliexpress today. No matter what I try, can't get the thing to power on. Is there anything I can try to get it...
View ArticleHurricane Harvey
Woah, this storm has intensified fast: Hurricane Harvey Strengthens to Category 4, Hurtles Toward Texas - NBC News Anyone here nearby? :eek:
View ArticleHow long would it take for eye to get damage by laser reflection?
If say i was to shine my laser around in a lit room and it reflected off like a white dress shirt or white rag, would that reflection damage my eyes. My laser is from ebay - Military 20 Miles Blue...
View ArticleHello Everyone
Hi all, delighted to have stumbled upon this group. I am a University Professor from Chennai, India, with interest and expertise in solid mechanics, computer vision and machine learning. I have no...
View ArticleDrivers for ml101u29-25
I know I posted a mistake on the subject-but I want to ask: does anyone know of a stable driver for the red laser? I want to build a 300mw red laser with ml101u29-25 diode- I have a few options: -Lm317...
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M462 Blue Job
Survival Laser's SS host w/extended Cu HS. 16.8mm battery board. DTR 2W M462/X-Drive w 3 element lens 2 18650 Batteries This thing is awesome!! This blue is BLUE. Really nice color. You could say it's...
View ArticleUniphase Argon Laser Help
I recently acquired a JDS Uniphase 2211-20SLE Argon laser from a used equipment reseller. (The seller was unable to test it, since they didn't have a power supply, so it was a bit of a gamble.) I want...
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First build! Mitsubishi 638 lotsa pics :)
So this has been sitting in my signature for some time now, and i felt like now would be a great time to get this project out into the forums :) lets start off with some quick stats.. The host was a C6...
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beware the ndb7675's from ebay
hello everyone i just want to let you know that recently bought an ndb7675 from ebay (link at the button) and i just received it,first thing i noticed was that it didnt had the extra text on the back...
View ArticleHello from Finland
Hello. I am your average nobody from Finland and I am interested in science in general, but particulary quantum mechanics. I'd like to have my own crazy lab for my crazy scientist experiments. Getting...
View ArticleHomemade Nd: YAG Laser
If you saw my previous thread, you know I have been working on building an Nd: YAG laser. It's completed now just as I go off to college. I don't have any pictures on this laptop so just watch the...
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