Are these questions just a joke and playing pretend? LPF is not a babysitter forum.
Why would anyone buy a diode if they have no idea of what to do with it or how to use it?
Mental problems and/or no common sense? How old are you--8 years old?
You need to make a Welcome thread in the Welcome sub-forum
What is it that you already have? Just a bare diode?
Post a picture of it.
It seems unlikely anyone would purchase a naked laser diode without first having an idea of how to proceed once they received it. It will need to be pressed into a module and paired with a constant current driver. Then it will need to be put into a host with enough heat sinking to allow for a decent run time.
Why are you insisting on Aliexpress?
It would take quite some time to go through everything they have to even have a chance of putting a laser together. Then as you don't any experience and the language barrier issue I don't see anyone that can help you..
If you are stuck on buying from Aliexpress I suggest you buy a complete laser from them.
For $15 the only chance you might have is a 301 or 303 style or save a few dollars and for $40 to $50 something a little better.
If you aren't a troll then you are very young like Encap has said??
What can you tell us to what you actually know about lasers and building in general?
Chris, that driver is not a constant current driver, but a voltage regulator. You have to be very careful buying from Chinese websites as they know less about their products than other sellers do. It is claimed to be a boost driver for 445nm diodes, but it is not.
laser I do not understand too much I need a laser for less than 10-15 dollars How do I do this and I want aliexpress connections
I am sorry for my english[/QUOTE]
First that is not a picture you took of anything you have. It is a picture copied from a web site.
LPF is not a babysitter.
Go to ebay or Aliexpress and buy a completed laser for $10-$15 as GSS has told you.
You still have not made a Welcome thread in the Welcome sub-forum--- too lazy for even that much??
[QUOTE="paul1598419, post: 1519812, member: 40752"]Chris, that driver is not a constant current driver, but a voltage regulator. You have to be very careful buying from Chinese websites as they know less about their products than other sellers do. It is claimed to be a boost driver for 445nm diodes, but it is not.[/QUOTE]
[QUOTE="RedCowboy, post: 1519813, member: 47257"].....[/QUOTE] Exactly my impression also.