Blue Laser and cat !
I saw my neighbors idiot cat its got no tail lol outside and decide to play with it so i used my A140 laser and i shinned it on the road so the cat can chase it, the cat keep staring at it for like...
View ArticleLaser dies NDB7875
So 2y ago i purchased the Nichia NDB7875 3 Element lens module and i had it all this time in the host i used it maybe 15sec in the 2y period it worked perfect today i made a decision to replace the...
View ArticleAnyone want a trade?
I have a Optotronic 532 75mw unit pen at "86mw". I'm a bit bored and loaded now with other 532's and just don't use it. I bought a few months after joining the forum, so its about a year and a half....
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Does Anyone Have A Need For a Bunch of Practically New 16340 Li-ion Batteries ?
2 of which are AW IMR 16340 3.7V 550mAh LiMN and 2 more are Exell IMR 16340HP 3.7V 600mAh LiMN Top rated IMR batteries ! I've got all these 16340 batteries that I have no use for after upgrading my...
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Completely unacceptable Optotronics!
Hello folks, Just wanted to let you all know of my recently purchased 4.99mW "Premium Green Laser" from Optotronics for $29.99. First word is premium my f**king ass! Upon receiving the laser it was...
View ArticlePulsing with PWM, and dimming?
Hi! I'm a noob when it comes to lasers, I'm doing a DIY spirograph, see the thread here. The laser modules I've ordered from ebay has built in drivers, do I need a special driver in order to pulse it...
View Articlecannot achieve 100% modulation, why
Especially at high frequencies (which were defined by laser-producer as achievable..). Analog, EEM. Which parameters I should take care of to fix it? Thank you!
View ArticleHello guys and sorry i'm late here
Hello folks, i'm so excited to join this community. there are so many laser experts here and i'm just a newbie. In fact i've heard of this forums in 2015, because our product has been reviewed here,...
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HeNe bundle.
Took a risk from a local ebay seller. This sounds good but time will tell. All for $400 AUD. Approx $300 US. This will be my first entry into HeNe lasers. Here's an opportunity to grab a huge helium...
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The Batteries are gone now......
2 of which are AW IMR 16340 3.7V 550mAh LiMN and 2 more are Exell IMR 16340HP 3.7V 600mAh LiMN Top rated IMR batteries ! I've got all these 16340 batteries that I have no use for after upgrading my...
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Optotronics problem(fixed)
Hello folks, Just wanted to let you all know of my recently purchased 4.99mW "Premium Green Laser" from Optotronics for $29.99. First word is premium my f**king ass! Upon receiving the laser it was...
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S elling all lasers and parts ***Radiant LPM***
I am getting out of the laser hobby for a while as I have not had the time and money to do anything in quite some time. I am selling all of my lasers as well as all parts and items related to them....
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The Minamoto Kobayashi Sugar Rockets Project!
Hello dudes. Among my multiple insane and dangerous hobbies there is also the rockets/pyrotechnic passion. Now I'm an experienced, judicious and prudent man, but in the past I have risked many times to...
View ArticleHello fellow laser enthusiasts!
Hey everyone! My name is Paul, and I've been lurking this site for a while now. I finally made an account, and since there is a "welcome" board I figured I would go ahead and post my Hello World...
View ArticleWTB: Polygon mirror or single axis galvo
Hi! I'm building a DIY spirograph using red and green lasers, see thread here. I'm looking for a polygon mirror for making a line or liquid sky effect. Perhaps a hexagon mirror with about 1" square...
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NUBM44/4.5ASXD/G2 Full copper Mag Light for Sale
Hi Folks, I just built this awesome NUBM44 /4.5A SXD/G2 With a full copper heat sink and also a copper focus adapter. The tail cap is machined so you can fit the 32650's or the 26650's nicely. The SXD...
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Homemade Theremin! Overview and Photos Here
Greetings fellow geeks, This is my first post in the Geeks' Corner, and my second post on this website. Hopefully some of you find it interesting! What is a theremin? Well here, I'll save you a click...
View ArticleCool Observation?
Hey guys, Im sure some of you will think this is a stupid question but I'd thought I'd ask anyway. Last night when I had my 532 lab running I decided to use my 515 pointer just to see the color...
View ArticleDriving an NUBM05 array.
Hi LPF, I'm hoping you can help point me in the right direction on a little project of mine. I'm hoping to drive an array of 8 NUBM05 in series as currently wired in the link below. Unfortunately, I'm...
View ArticleCurrent Tritium Sources - USA?
Hey everyone, I am working on a project right now that is going to require Tritium tubes around the sizes of 1mm x 3mm to 2mm x 10mm(just somewhere in that range) and I was wondering if anyone knew of...
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