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I made mention, a month or so ago, r-p-m-c lasers has some HL6750MG diodes for sale. I think they're ~$40 each. Per an email, they have 16 in stock. I thought I'd stop in to see if any of you would be interested in these. OR, any other they list in stock on their sight. If a few jumped in, it...

Thx. Yeah, I seen that one. Staples has a similar version for a lil less money. But... I just gotta build one. J

I've asked him before... Maybe I can convince him to find some al or brass tube somewhere🙏 SGD🥃

Okay, call me weird... For some reason I’ve been wanting to make a slim pen-pointer, which would use AAAA...yes 4-A, cells. I don’t want to just buy one; that’s no fun. Are any of you machinist types able to make a thin-wall brass or Al tube with threaded aperture and battery-end caps, and...

5, huh...

Me too 🤣

The lx100 on eBay takes 2 triple As. The 63-1050 I’d love to find took 2 quadruple As. J

I originally posted this as a separate thread, but found this area to be more appropriate. Apologies for that. I’m not sure if a member on here is selling these or not. Anyway, I found these being sold on eBay, new in box supposedly. I pulled the trigger on one and thought I’d share in case any...

I’m not sure if a member on here is selling these or not. Anyway, I found these being sold on eBay, new in box supposedly. I pulled the trigger on one and thought I’d share in case any of you would be interested, too...

G, I’m interested in your 5mmx5.3mm boost driver idea you spoke of a while back. Are these going to be in your lineup of available drivers? Thx SGD🥃

Aircraft maintainers did that 🤣

Speaking of reverse polarity... G, have you considered incorporating a fuse on your up-and-coming drivers? In a “oops” moment, if you burn a ceramic smd fuse from a backward installed battery, you can unsolder it and solder- bridge those pads and you’re back in business. Kind of a last-chance...

Speaking of reverse polarity... G, have you considered incorporating a fuse on your up-and-coming drivers? SGD

I’ll have to try that. I set the lens, diode module w/ G2, driver, switch, and battery all on a flat, long wood base. The lenses I used were the techhood pair shown above. The set came with two convex, and one concave. Perhaps I’ll try without the G2. SGD🥃

I have some of these in red spectrum. I tried to correct an Oclaro 700mW 638nm with them, they did ok with correcting the divergence. Not terrific. Correcting lower divergent diodes like m140, and NDG7475 is pretty good though. SGD🥃

Thanks for all the replies and infos. You guessed it... round host. Not critical though. I can work this into a bigger host. I may try to load the lens pair against a rounded base to fit a tube. SGD🥃

Copy all thanks Encap! SGD🥃

I know this is old, and I looked at the “Grinding lens” thread; but I was thinking I’d like to get a set of the 6x cylinder pairs cut round. Has anyone taken this on? I tried asking an eyeglass place here if they’d do it, but they won’t touch it. SGD🥃

Welp, Lifetime17 sent me a couple dead nanos. I unsoldered the inductors, and soldered one of each to my busted driver. Sadly, I was not able to derive any current from the driver; only, the inductor and current setting resistors got really hot. The ohms of the resistors seem to be fine. I also...

Awesome, and thanks for the lightning reply. Up front, I’d like to thank you for your fantastic work and effort, thus far! I am not an engineer, so whatever I say has limited merit concerning electronics speak. Although, if you can reliably incorporate pots (or at minimum current set by...