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I built a labby 2W M140 for a friend of mine, he had to pay $30 (R$60) for the 3grams arctic silver thermal epoxy in a retail store And you guys complaining about radioshack, I wish we had it in Brazil...........

I guess there are many subjects that could be discussed by people from the same country on their own language. It would improve relationship between members that live close and make it easier to find out valuable information interesting only for people that live on that area (where to buy...

E aí, bom ver BRs por aqui!

I'm building my own lucky, did you extract that aluminium pillars to upper axis from some electronic equipment? I'm trying to avoid to ask someone to make it to me because it's gonna be expensive...

As far as I know it's possible to manufacture any wavelenght laser diode. It's not economically interesting because there is no use for them. If it wasn't for the c@s!o projectors we'd still dream about 445nm diodes.

That's really funny, buying a laser for your pets!

Lucky, why don't you add a few silicon diodes in series with your steppers? Each of them will drop you voltage by 0.7V independently of the circuit resistence. EDIT: I didn't believe when i found an old PC at my girlfriend's ville today, it had 3 cd burner drives, a working PSU and two great...

I guess if I had $399 I'd buy it, we humans love whats rare/difficult to reach, the same applies to lasers.

I bet in 6 months we will all have a 505nm build

Re: For sale : NEW 1W-2W C6 blue lasers from $100 hey blord, what about the duty cicle of those 2w+?

Welcome to the forum. If I were you I'd take a look on the forum and learn a bit about lasers. It's of great importance to avoid getting hurt with high powered lasers. You can also build your own laser and that's way more funny and rewarding then buying one assembled. Remember to allways use...

yes, when mine arrives ill try to use an osciloscope at one of my university's lab. The problem is I study medicine and i'll have to find an engineering lab, but i'm certain i'll be able to do it.

That voltage drop is expected. I'm worried about output current peaks that can burn my precious m140s

Yes, of course, 405nm beam is barely visible but it's much cheaper. Consider that you are paying 20x less for it

That looks great in comparsion to C6, pm me when available By the way, I'd buy the heatsink from eudamonion and host from DX

I'm impressed, I must build one for me too. What's the working current of the drives motors?

Now I understood what he said. I think he wants a 808nm because its not bright so he wouldn't need to use protection goggles. My advice: Don't even try to build this laser, build some reds and blues before you adventure yourself on the IRs. You are going to hurt yourself.

if you are looking for something cheaper then 473nm and 455nm try 405nm laser pointers on ebay, they sell at $5. be aware most of them is a lot overspec reaching 30-60mW and you must use goggles for that

Actually you didn't answer me, im still curious. You want to build that laser for what reason? If its only for hobby there are many more interesting wavelenghts that you can build, they are less dangerous and a visible laser beam is just awesome

Is yours bigger then saik's? that seemed to me like a massive heatsink. I'll be spending $35 on a saik, maybe its better to get yours, dont forget to pm me when its available