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Is This setup ok

trever22

trever22

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So I got a 6x diode from modwerx and a aixiz module. I was planning on selling it but I decided to keep it and try a youtube video I saw. So instead of using a microboost or flexdrive I decided to make a very cheap driver. So is my setup ok, and how would I go about putting it in a pen host?


phpxczkxipm.jpg
 





LtKernelPanic

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The driver looks fine but with one nitpick. The LM317 is a voltage regulator not a resistor. Did you use flux when you soldered? It looks like you didn't. I didn't at first either but it made a huge difference when I started using it.

You're not going to be able to fit that into any pen host I've seen. (I've tried to fit a full sized LM317 into one before) The 'baby' LM317 I used in my red pen can't put out more than 100mA IIRC so it wouldn't be the best for this application plus it's probably cook itself. I built something similar to what you did tonight and will be posting a thread about it tomorrow if you want some ideas.
 
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U

udanis

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Just make sure you didn't overheat the diode when you soldered it.
 
trever22

trever22

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If I put another resistor parallel to the one that is on now that will make it 5ohm so that will make it brighter right?
 
A

anselm

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Depends on what resistor you are going to wire in parallel.
Right now: 1.25V/10ohm = 0.125A

Say you'd put another 10ohm resistor in parallel:

1/Rt = 1/10+1/10
Rt = 5 Ohm

1.25/5 = 0.250ma

You're welcome.
 
3zuli

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yes, but always check the current with a dummy load and DMM BEFORE you connect it to the laser
 
lazeerer

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^^Yes. I have been running this exact set up in a couple for builds of mine. :)
 
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anselm

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If you power the whole thing from batteries, you might get away without any capacitors for filtering of spikes, but if you used some transformer/wall power supply, you
should add a capacitor or two, just like suggested in the original description
of the DDL driver ("... it can be done").
 
trever22

trever22

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ok, but before I solder on the other resistor, the standard lens that comes with the aixiz module will be fine right? Or do I need a 445 lens:mad:
 
Coherent Light

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The standard will work with a 6x, but you will get a bit more power out of a glass lens coated for 405-445. If it was Me I would also add a filter cap when you solder the other resistor, but that's just me.

Aixiz ships fast if you want a glass lens. I might have a spare if you need one, and don't want to order.
 
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lazeerer

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I also want to mention that adding another 10ohm resistor will give you ~250mA witch is IMO way to much for a 6X.

Iam pretty sure the Safe current for those are 170mA. Maybe 180mA 190mA with the GGW.

Just My 2 cents.:)
 
Coherent Light

Coherent Light

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lazeerer good catch I totally missed that. He needs to use a different resistor to up the power a bit.

+ Rep for you my man.

Won't let Me Rep you right now. Damn
 
trever22

trever22

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Coherent Light said:
lazeerer good catch I totally missed that. He needs to use a different resistor to up the power a bit.

+ Rep for you my man.

Won't let Me Rep you right now. Damn
Click to expand...
Why do I need to use a different resistor, He only said if I put another 10ohm it will up the power to 250mA
 
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