Recommended 5W+ 445nm laser?
Hello everyone! I'm thinking of buying a Sanwu Silver 5W 445nm laser; however, before I pull the trigger, I was wondering if I may be overlooking any better options? In particular, I would prefer a 7W+...
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Review: 473 nm 100 mW Jet Lasers PL-E Pro Sky Beauty
Review: 473 nm 100 mW Jet Lasers PL-E Pro Sky Beauty After some time using this amazing laser I would like to do you my first review here on LPF. I do not have LPM therefore I realized to do the...
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New Member From North Europe.
Hello, everyone. My name is Robert and i'm 18 years old. My old Green Laser Pointer brought me here, because i wanted to know how lasers actually work. I have read alot about laser safety. I bought...
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Some Battery Holder
Hi Folks , Below we Will post some photos of holder internal batteries 18650 and 26650 for your laserpointers ,especially the Maglite 2D . Into the hole present in both models light blue I think is the...
View ArticleBasic li-ion battery care and maintenance
Most of you RC guys will already know this information and can disregard it! This is for those who do not understand the nature of Li-ion Batteries and the maintenance and care needed for their...
View ArticleFree 405 nm pointer from Wish
Hi! I got a free 405 nm "<5mw" laser pointer from Wish (chinese store thing) which I suspect is a lot more than 5mw. Are there anyway to guestimate the ballpark figure on how powerful this thing is?...
View ArticleHow to sell on LPF
Hi to all , I would like to know how you make a sale within the forum, the LPF , What requirements are needed ? in short, A bit of INFO in general ! Thx !
View Article16x BDR-209 and electrostatic charges
Hello, I'm running 16x BDR-209 @270 mA with LM317 in a CNC machine. Last week i killed this diode with a little electrostatic discharge created touching the ring of the lens (The driver is connected to...
View Article200mW Red Fat Beam Laser Curtain Safety?
Hi there, I'm an artist that creates abstract light installations, I've recently been commissioned to create a piece that I wanted to use lasers for. I wanted a system of laser point lights that I...
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445 3W Pman Laser For Sale
Hey all, I am having some financial hardships(medical bills) And I am trying to make money wherever I can. This is my least used laser, so I am gonna let it go. I purchased from Pman last December. he...
View ArticleSomething's wrong... help!
Hey guys. Got my Sanwu Red Guardian in the post today. It has a 1W 405nm diode. It arrived much sooner than I was expecting. After I tried to use it, I immediately noticed something was wrong. I put my...
View ArticleResistance in switch issue
So, i am down in my basement, or as i like to call it, my laser playground, and i am playing around with a 200mw 303 650nm unit that i just received yesterday and i notice the beam dot is fading from...
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Cheap little Buck
Stumbled across these, a cheap, small little buck driver. I've ordered a few to see what they are capable off, Anyone else used or have testing results on them?? Some info: 17mm x 11mm x 3.8mm Model...
View ArticleHello big brothers
I am a rookie. :yh: Just beginning to understand the lasers knowledge, but also a little interest, hope to learn more here, thank you.
View ArticleWhere To Find CR2/TR15270 And 10440 Rechargeable Batteries
I'm looking for some good quality , rechargeable CR2/TR15270 & 10440 batteries. I just need a couple of each size. Does anyone know where I can buy/find some ? (Please , NO ****FIRE brand type...
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Laserlands 5mW 520nm Pointer - Review - Finally
Well it's finally here! My Laserlands 5mW 520nm review unit it showed up late last week. Managed to get some pictures/testing done this weekend. (Here's the thread that started all this:...
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GATLING GREEN 532nm and a WARNING!
WARNING! The two 16340 batteries you see in this photo are not the correct batteries for laser shown in photo! The correct battery is the 18650! So begins the review! Once again i am surfing the China...
View ArticleCostume idea
Hello, first time post (so sorry if I didn't read a a sticky). I'm attempting to make a device that will send out a "burst" of lasers on demand for theatrical reasons. I'd like this to be as a costume....
View ArticleCoherent CR-18U power supply (0-100VDC 0-70A)
Hi All I found a Coherent CR-18U power supply which from the front panel looks like a 0-100VDC 0-70A linear power supply. It is a unit from 1979 and has a large 3 phase stepdown transformer to 120VAC...
View ArticleHigh Voltage Forum - www.highvoltageforum.net
Hello! I would like to invite, all those that work with or are interested in high voltage, Tesla coils and related electronics to join a new community driven forum, with special focus on scientific...
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