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Beginner needs help ! Burning Blu-Ray Laser

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D3rK0

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charliebruce

charliebruce

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Hi,
That diode is most likely the same as the PHR-803T diode sold on this forum, much cheaper. I sell them for $13, or $17.50 in a module with lens, shipped worldwide from the UK (the module is the same as the one you linked to from DealExtreme) - PM me if you're interested in getting one.

You can't connect a laser diode up directly to batteries, however, and the driver in the module you've linked to isn't capable of delivering enough current to the diode. If you want to use 3x AA batteries (total 4.5v) you need to use a boost driver, such as the FlexDrive. If you want to use a linear driver such as the Rkcstr, you need about 7v.

I'd recommend you spend a bit of time browsing around the forum and learning about the PHR, as well as the parts you need, and why drivers are so important - it makes it much easier when you actually start to build anything.
 
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D3rK0

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Thanks for the quick response.
So I can't add a bluray laserdiode in this module from dx? I know that i can't simply attach a diode to the battery. So I have bought this module from dx. When I buy the phr-803T with module from you, can i directly hang it to the battery ?

- Martin
 
lasersbee

lasersbee

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You can also build your own Current Regulated Driver...
It is called the DDL Drive here...
The schematics and drawings are all over the Forum..

BTW....

welcome.gif
to the Forum..
Enjoy your stay..

Jerry
 
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D3rK0

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billg519

billg519

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You will need to put a PHR-803T diode into your module, or buy on the forum a PHR already mounted in a module. Laser diodes do not hook up directly to a battery, a current regulator, called a "driver", is required. There are two main types of driver, linear and boost. You must decide which to use, usually this decision is based on what batteries will fit your chosen host. If your host can fit 3 x 10440, or 3 x CR2 or 3 x CR123, you can use a linear driver like the rkcstr or selfmade DDL. If your host can only hold 2 x AAA or 2 x AA or 1 x lithium, you need a boost driver such as the lavadrive. Buy or build your driver so that it is set around 100-120mA for your PHR diode. Your heatsink must adapt the laser module to your host, so fit is important. Forget about the driver in your red module, it has no use except with the weak red diode that it came attached to. You could also buy a module that has the diode and the driver built in, with one of these, it is ready to hook up to batteries, but cost a little more.
 
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D3rK0

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Ok big thanks !

so .. what cost a PHR-803T in a module with linear driver ? and where can I buy it?
then it works with 3x rechargeable 10440 batteries or ?

- Martin
 
billg519

billg519

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Yes, 3 x 10440 will power a PHR diode and linear (rkcstr) driver. Several of our vendors sell diodes in modules and drivers, Modwerx and Hitechdealz for example.
 
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D3rK0

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sw20

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With the rckstr driver 3x 10440's are perfect. If you're going with the flexdrive, obviously don't use 3x 10440's.
 
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D3rK0

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is that a good driver ? Adjustable laser diode driver circuit(assembled)Red or Blu-ray! - $15.99 : Modwerx Shop

I am from Austria so I just want everything in a shop order (because of shipping) and by rkcstr.com I get only the driver and not the diode (with module).

Perhaps someone has a PHR-803T with module and driver ? or can someone build me one?

if the driver worked from modwerx with 3x 10440 batteries I could buy just the diode with module there.

- Martin
 
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