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;that is very common, especially in protected cells. try this site which has battery mm sizes also. http://batteries.parametrek.com/index.html unfortunately they don't list 32650s

Maybe its just me, but in my experience with 32650 batteries. Even the Feilong ones don't seem to measure up in my opinion. I use them in my Jayrob build, but never really impressed with them as I am with some of the smaller sizes. See this...

if you can attend - it is well worth it. I've been there for the last 8-10 years. Last year was first year I've missed it. but the facility here in NC has had more and more issues with mgmt and so, unfortunately :( it is leaving NC Pay for the event, enjoy. Giveaways are always unbelievable...

I believe that is the one I listed in my message above - it is 24v input. Sam has a couple for sale on Ebay.

Yes it is, but Nice of you to point it out. :) I always pop in and check out the thread, whenever I see anything yellow to orange (575ish-620ish) - my only versions right now are HeNe lasers. Someday the price may drop :)

start here first. https://www.repairfaq.org/sam/laserfaq.htm "Modern small to medium size HeNe tubes require an operating voltage between about 900 and 2,500 VDC at 3 to 6 mA and a 5 to 12 kV starting voltage (but almost no current). Precise values depend on the size and construction of the...

Nice review, I have owned quite a few of these with ranges all the way up to near 100mw. Only other thing of note is that on SOME of these, if you pull the cap, there is an adjustable screw in lens that is a standard AixiZ style. However, some also had a fixed lens. I've made a few cheap...

In the last year or so, I've been buying cuts like this. Cooking at low heat with a mild rub and slicing thin with my berkel for my own deli roast beef. At less than $2.00 pound for perfect deli roast beef, you can't beat it. Plus its MUCH healthier than buying the cooked stuff with all the...

Just saw this https://www.kickstarter.com/projects/752525344/the-first-desktop-3d-hologram-printer-by-litiholo?ref=discovery&term=hologram

I bought a couple early on because they were 635nm instead of 650nm and as mentioned - cheap. You can drill a small hole in anything and wire them direct, but as mentioned other than being small, they aren't worth much. (pre made with worthless driver and no adjustment) Don;t know if it was...

Great forum (from experience) so far, hope it continues into the indefinite future And I hope to be there with it. :) 13 years and counting Lots of change in last few years, fewer people building from scratch and lot less deals and group buys, but this forum is always a great resource and a...

Also purchased from this past summer - no issues

As simply as possible - the modules you have are 12mm (diameter) x 30mm (long) so the host needs to have a hole in the middle that will fit that. The bottom of the module needs an electrically isolated point for the positive, and the side of the module needs to connect to the negative. Using...

Giannis_TDM Just a little note about round vs square drivers. DO what you want but consider this. Many of those making requests for round drivers are from newer members only on a few months. It might serve you well to Go with what the veterans are asking for first. They have been on here a...

a bridge may may work better than a bride would. she may get angry and brides don't handle that much heat very well.

You have been on here for over a month - read some of the posts, there are lots of recommendations and companies that sell listed.

(I liked it). Yes you can, with one wheel and a exhaust pipe :) - will it run, probably not :)

beauty - I'm jealous

As mentioned, any cheap housing that will work, the lens or any of the LED part isn't needed as the AixiZ Module is what holds the lens and diode for the laser.

All excellent points, but the one I think you missed was also the price. You can build a very nice lower power laser pointer, in most colors, for much less than the cost of the high power AND without the added cost and additional issues with chopping the power back. Its not usually worth the...