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I have worked with a lathe on school and i would love to have this at home. Copper is not an option but i think aluminium will work just fine. It might be not very precise but com' on were talking about heatsinks

I was searching around DX for some CNC controller boards and I found this: Professional 6 in 1 Motorized Jig-saw Grinder Driller Metal Lathe Wood Lathe - Free Shipping - DealExtreme It says it can work on aluminium and 5) Max. Cutting diameter: 20mm(bigger diameter is possible with...

I can speak portuguese, english, spanish, italian, french and i still think languages forums will be a good idea appendre une langue n'est pas le problem

The problem is: The adjustment potentiometer is not very trustable, it is a little loose and I could easily turn it too much overfeeding my diode and burning it. Using a test load is much better. And I guess shorting the wires is a must do in my PSU to set it to the CC operation, without...

Cyparagon, i'm not such a poor lad, i understand how a PSU works and I know i can leave it shorted. I guess Apex meant i could do better, using a test load for example, it's much more like a diode and i'll be able to set the exact current without risk of turning too much the potentiometer etc...

For real one of you could re-ship it for me? That'd be great! I've found a cheaper one on amazon: http://www.amazon.com/Mastech-Variable-Adjustable-Laboratory-Warranty/dp/B00812DV1O/ref=sr_1_1?s=electronics&ie=UTF8&qid=1354935606&sr=1-1&keywords=mastech

Apex, my PSU has a shortcut protection system, it should not fry even when shortcutted. I'll just return it and buy a mastech just like DTR's. The problem is, there are no mastechs in Brazil, i'll have to buy one from ebay and wait one month for it to arrive. (We brazilians can't buy from...

I've tried turning it on and off already, I might be able to fix it but i think it's better to just return it.

Yes, i shorted it to set the current, until shorting it was working fine. It smells like there's something burned inside when I turn it on The brand is "YaXun" but I think this PSU is standart because i've seen many brands stamped in this model

Hey, I've followed instructions on the internet on how to set the maximum current of my PSU. I've connected the + and - output of the PSU and started to set the max current, the PSU kept flashing and it was pretty hard to set the current, almost impossible. It has stucked on 40mA and now i...

buy sell and trade section of the forums, there is 1w 445nm there for $100

Yep, it has even a keylock... it will probably be one of my next buys

Hello, welcome to the forum. I reccomend you buying a $100 1w 445nm laser from Blord, he is a very skilled lasers builder from netherlands and their output power is confirmed by laser power meters. It will be shipped from within the EU instead of china, shipping will be quicker and cheaper...

That cow is gonna have eye issues

532 with Envy, i'd pay for a little HeNe, I'd love to have one, how much would it be plus shipping to Brazil for you not to loose money? I'll start looking for a PSU! EDIT---- Can this tubes handle 4mA...

Hey, Came up an opportunity to buy one of these lasers here in Brazil, it's brand new in the original box. They offered me it for about $800 but I guess I can get it for less (it was $3500, after some talking he lowered it to $800) Here's a photo of the laser: Do is it worth buying? I'd...

yourlasers.com (dealextreme) sells 405nm lasers rated at 200mW but obviously underspec for $23 I guess. I bought one, they can light matches and cut tapes easily because of their wavelenght, worth buying

Im not interested in knowing more people from Brazil, we already have a social group and its basically made of two members. The point is: why not create public location specific content? it could bring more traffic to the site*, all the information you share on your group could be indexed to...

I'm following your story, I hope you can fix the tailcap and post some great pics for us

Well, I just realized that just me and reginak are brazilians active on the forum nowadays. A portuguese category would be kind of useless. But, for example, an EU forum could come very handy for local trading, discussing best places to buy components and even off-topic talk about ... life.