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Got a question for you folks. I can't find any information on it but I do recall reading somewhere that the lower efficiency blue diodes tend to have higher wavelengths. Now in relation to the nubm 08, is this true and what properties do the higher efficiency diodes present, if any difference...

Anybody know, or can throw an educated guess as to what diodes (which come in the Gold blocks we see the nubm 44s) that would have been used in early machines back in 2015 - 2016? I picked up a near 7,000 lumen unit with less than a thousand hours that contains eight of these blocks. I'm...

Afternoon, Gents. Have this NDG 1W diode sitting in my drawer that I never got around to using. I purchased the .7W and the 1W version from dtr a few years back and was always a bit nervous on a build considering I paid around $200 USD for it . I'm thinking of running it at 2.5A and am looking...

I can't be the only one who noticed, but what happened to forums in general? LPF, PL, and even other forums I've frequented intermittently over the past decade or so have just gone quiet. I'm curious as to where all the traffic and engagement went on LPF?

Wondering what type of spectrometer gear you folks are using, and what are some low cost options for a reasonably accurate setup? I've always wanted to get one, but the price was cost prohibitive. Any suggestions on the latest diy's or inexpensive production models with a USB interface would...

Playing around with ai chat, and am quite surprised by a database that has no internet search capability. Its worth a try for serious and stupid questions. Heres the link and a few of questions I posed to it. https://openai.com/blog/chatgpt/ you have to register* me: why do my headlights...

Looking for a boost driver mainly to do a rebuild of an old WL arctic host. So far I cannot find anything of small form factor to run a nubm44 for my project, and dont want to use 18350's running a step down. Any diy's or commercially produced drivers that will fit this host and feed the diode...

So I finally upgraded my generic laser engraver from its stock "2.5W" which turned out to be 1W. I replaced the diode with an nubm47 and am successfully etching into aluminum with the aid of black marker @5.5W. I would love to be able to etch PCB's by burning off the copper clad and avoid...

Hey folks, I picked up a projector and before tearing it down would like to know what diodes are inside. I was trying to get a xx-V2 but cannot find any locally. I ended up getting a low hour used xx-V10X which is a 3000 lumen model and from memory may have the NUBM42 or similar, but dont want...

Thought i'd post a pic of my very first pointer that got me hooked on this rewarding hobby. I personally have learned so much which I otherwise may have not. So this thread is for those who remember that very expensive 1-5mW you could never put down. Heres mine, got the pic from a really...

Howdy folks. Been popping in and out of this forum for the better part of a decade, figured it was about time I say hi. Been doing some reading and purchasing various diodes to try my hand at some fun projects. So hello all, my name is Dusty 🍺:alien: