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Old 09-03-2007, 08:16 PM #1
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Default DDL Regulated PSU

Hey all;

After many people having had many problems with making their own circuits, and several requests to make this available I have decided to make this finally generally available.

Available now is a regulated PSU with a variable voltage and current supply that can run any kind of laser diode with up to 6V and 1A power. This thing is tiny and I make them myself, so they are made to order. I can make any kind of adjustments you'd like to it and I can set the voltage/current to anything you'd like before shipping it out. These can work for BluRay diodes as well as the SenKat GB diodes. Voltage input is from 9V for red diodes and from 12V for BluRay diodes and these go on up to 30+ volts.

This circuit has built in 3 stage shunt rejection up to 50 volts and the voltage and current are both controllable using the pots that are available on top. It comes with a switch to power it on and off and covered leads.

This is available at http://pay.lasingpix.com/gpay-drivers.html and the price of $35 each includes US shipping. Unfortunately, international shipping is not included as this is too big to fit in an envelope... :P

I do not suggest running the module at too high a voltage input or a current output for prolonged periods of time as that will only shorten the life of the LM317, but other than that they'll be fine running marginally hot.

So, to sum it up... for $35 this is what you get:

Shipping included in USA. $10 extra for shipping to Canada, and $16 extra for shipping worldwide.
Regulated current/voltage.
3 stage shunt rejection meaning it can be run using any wall adapter.
Negative polarity protection.
Current and Voltage controlled via 2 pots.
Power switch for continued operation and emergency shut off.

PLEASE NOTE: These do come with an output capacitor right before the laser diode leads, and as such should NEVER be turned on before the laser diode is SECURED to the PSU. In the case that the LD disconnects, make sure the PSU is turned off, SHORT the leads for a couple of seconds and then reconnect the diode properly before resuming operation.

Since I build them myself, they usually take me a day or two to ship them, but I can promise them to be shipped out within a week as a worst case scenario. Shipping will be via priority mail in the USA so they should arrive within a week of me mailing them out.

Thank you all... and here are some pictures

--DDL


As was previously stated in other places on the forum, this takes me toooo long to make and the returns are very minuscule. This is ending on the grounds of that there are 4 left at a higher price. Please refer to the webpage for the pricing. Sorry all.
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Old 09-03-2007, 08:17 PM #2
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Default Re: DDL Regulated PSU

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Old 09-03-2007, 08:17 PM #3
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Old 09-03-2007, 08:17 PM #4
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Default Re: DDL Regulated PSU

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Old 09-03-2007, 08:18 PM #5
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Default Re: DDL Regulated PSU

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Old 09-03-2007, 08:18 PM #6
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Default Re: DDL Regulated PSU

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Old 09-03-2007, 08:41 PM #7
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Default Re: DDL Regulated PSU

Daedal I have to say it looks the db's. I might just have to move to America so I can buy one (;
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Old 09-03-2007, 09:24 PM #8
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Default Re: DDL Regulated PSU

Im interested but in Australia can I get a Quote for shipping
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Old 09-03-2007, 09:33 PM #9
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Default Re: DDL Regulated PSU

As far as I know, they would have to go through International Priority Mail. That's $16... Unless I can find a way to put them in a flat rate envelope and keep them safe, then it would drop to $7...

Hope that makes sense;
DDL
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Old 09-03-2007, 10:28 PM #10
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Default Re: DDL Regulated PSU

Nice job, Daedal! I will be ordering one of these drivers and a DX digital multitmeter in a few days, that's for sure.

If I input 12 volts from a PC power supply and fiddle with the voltage pot, could I get the correct voltage to run the group buy diodes?

Anyway, this is a damn good deal for me as I have no soldering skills and was looking for a nice power supply I could power just about any little laser project up with. :P

Thanks Daedal!


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Old 09-03-2007, 10:33 PM #11
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Default Re: DDL Regulated PSU

Quote:
Originally Posted by yuip
Nice job, Daedal! I will be ordering one of these drivers and a DX digital multitmeter in a few days, that's for sure.

If I input 12 volts from a PC power supply and fiddle with the voltage pot, could I get the correct voltage to run the group buy diodes?

Anyway, this is a damn good deal for me as I have no soldering skills and was looking for a nice power supply I could power just about any little laser project up with. :P

Thanks Daedal!

You can power it with anything that puts out 9V or more to use it as a driver for the GB diodes. I have ran it for about 5 minutes with a 12V supply to test it and it was fine.

You're very welcome yuip. That is exactly why I made it. I will be putting 10 of them together so the first few orders should go out rather quickly

--DDL
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Old 09-03-2007, 10:52 PM #12
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Default Re: DDL Regulated PSU

yay, this is great cause I was the first to buy one!
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Old 09-03-2007, 11:00 PM #13
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Default Re: DDL Regulated PSU

Wow, I like the look of those things! I'm gonna need one of these when I make a labby, I'll pick up a 9V wall adapter at Radioshack to hook up to one of these things for a plug in laser unit! Be expectng an order soon!
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Old 09-03-2007, 11:32 PM #14
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Default Re: DDL Regulated PSU

Quote:
I do not suggest running the module at too high a voltage input or a current output for prolonged periods of time as that will only shorten the life of the LM317, but other than that they'll be fine running marginally hot.
I wouldnt worry about that. The LM317 has thermal protection built in, and will drop output voltage and current to stay within thermal safety limits. This will obviously cause your laser to dim or shut down, but should have no ill effect.

The cube shape is very interesting, probably convenient for fitting it into flashlights.. just wondering about the boards though: in the pictures it looks like its plain PCB material without any copper, just component wires bent and soldered together - is that right?
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Old 09-03-2007, 11:37 PM #15
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Default Re: DDL Regulated PSU

Sure is... I tried to make it with actual PCB, of which I have tons, and it actually would be more work to do it that way. The fact that everything simply plugs into place and I'd have to drill out the holes anyway (I broke 2 carbide bits already when my drill press decided to tilt >) I just figured I'd arrange it such that the wired take care of each other. I'm not running any wiring anywhere other than to the pots on top and to the switch.

As about the LM317's regulation feature... I actually completely forgot about that. I had actually tested it before and it works flawlessly! Thanx for reminding me Benm

--DDL
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Old 09-03-2007, 11:46 PM #16
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Default Re: DDL Regulated PSU

hey deadal,

could I mount my aixiz to a heat sink?

I was gonna drill press a hole in the heat sink and aixiz, then use a tap to make threads in the hole of the heat sink.

sound good?
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