Video game music
So I thought I would start up a thread of people's favorite video game music. The reason, I just re discovered an amazing soundtrack: Tetrisphere - from Nintendo 64. This has got to be one of the best...
View ArticleFastech
Not sure this is a new thread worthy post but to all Fastech fans here I personally just came across a 501b rear switch with a cable attached that has a fast acting momentary micro switch preasure pad....
View ArticleTool help - focusing help - NOOB HELP!
Hello guys, new member here. I've trolled this forum for a long time but have now joined in an attempt to get some help with my build. This is my first build and unless something changes it'll probably...
View ArticleDoes color affect light intensity?
Hey guys! As you may be able to see, I'm new to this forum and lasers in general. I was thinking of buying a violet laser pointer from dragon lasers(Violet Laser Pointers : Dragon Lasers), and I had...
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Found really cool, cheap optical assemblies if anyone wants one!!
Hey guys so in a surplus store I recently discovered I found a whole box of these optical assemblies for crazy cheap. Perhaps somebody could help analyze it and help me decide what to do with it. Given...
View ArticleAlkaline Problems
I recently built a 1W+ blue laser. The diode I used is an Osram Pltb450b. My driver ideally outputs 1.25 amps, but I have run into a problem: the amperage dropping. I am using 6 AA batteries in series,...
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auto switch circuit design
I'm working on another project. Basically an ammo can "boom box" similar to this. Ammo Box Speakers I am wanting to have it auto switch between battery and outlet power without a delay. I know using a...
View ArticleCapacitors and Potentiometers
In building a driver circuit, how is the capacitor needed calculated? Also, how low in resistance can a potentiometer go? If I have a 100ohm potentiometer, what is the lowest resistance it can give?...
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NUBM44 vs. NUBM47
Does anyone know the technical differences between the 44's and 47's??? There appears to be a few different versions of the 47's as well. I just got this block which are NUBM47T's
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FS NUBM44 450nm 6+watt project box build
Recently after seeing the NUBM44 for sale I decided I needed to try it out and see how good of a burner it is. However, now I'm more interested in something more compact. I'm considering buying a Sanwu...
View ArticleBlack Friday at Bitlasers.com: 20% off
It's officially Friday local time, so we're starting the Black Friday sale of this year at Bitlasers.com. 20% off all orders over $100! Use code BLACK in shopping cart. BitLasers.com Some examples of...
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McClicky Tail Switches
I just ordered a couple of the McClicky tail switches to replace the cheap ones that were in a couple of my hosts. With very little modification they fit right in and seem to work very well. Has anyone...
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Bought Type I and Type II 1064nm to 532nm green SHG units
I found this 1064nm NL crystal type 1 SHG converter to produce 532nm green on ebay for 129 dollars, I also bought the same unit they had which was type 2. Now I need to find the specs for it, when...
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laser crystals bonded with q-switch
Hi friends, I am new here. I've got a few laser crystals bonded with cr4+:yag on hand. Attachment 53894 wanna make something fun of them... such as xenon-lamp pumped laser or diode pumped laser, OPO to...
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Beam reducer thing
So i made a thing that reduces a beam to a much lower power and it keeps the shape of the beam. I thought it was pretty cool, so i kinda decided to post it here :P
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Guardian Goodness
Had some extra time so I thought I'd share some pic's of some Sanwu Guardian's that I think are some of the best pocket laser you can buy. Hope you enjoy the pic's, they are all engraved with g7 lens....
View ArticlePossible Dangers of Blue and Violet Lasers?
I have never gotten a clear answer to my question: do 405nm and/or 445nm laser diodes emit ultraviolet light? I assume many 405nm and 445nm laser diodes are multimode, meaning more than one wavelength...
View ArticleWhat's your first memory of a laser pointer?
Mine was at about age 7. My neighbor and friend had just come back from the beach with a small keychain button cell red laser pointer that came with a ton of different caps. I thought it was the...
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