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Some advice would help

M

Mr Acurite

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So, with say a 2 AA battery pack and the two things you said, it becomes a matter of just building it, right?
 





Tmack

Tmack

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Yeah. Make sure the voltage of the batteries is enough for the driver to see how many AA you need. That driver is 4.2-8.4v so you will need at least 3 AA. Lithium ion batteries work the best but AA WILL keep the cost down.
 
Javalin

Javalin

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Not sure if anybody has thrown it out there but if you are getting a bare diode and pressing it into a module yourself you will need a vice to press it in. They are a VERY tight fit. Now young grasshopper it's time you spread your wings. Use the google search bar at the bottom of the page. Try looking for "I want to build a laser" ;)
 
Tmack

Tmack

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I picked up a perfect little one for $25 . Before I had it I used a c-clamp. Bt that can cause damage from uneven pressure.
 
M

Mr Acurite

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Anything else is more money out of pocket, which isn't going to the laser itself, and I could just use a vice in school, so why spend? Just so I've got this down pat, with a soldering iron, the stated diode, the stated driver, and the 5.6 Aixiz module, I can get this to work with 3 AA batteries, right?
 
The Lightning Stalker

The Lightning Stalker

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A build goes like this.

  • Diode
  • Driver
  • Module
  • Wiring
  • Lens
  • Batteries
  • Heatsink/Host

The rest is things like solder and weather or not you already have a pair of safety glasses for the wavelength(s) involved.
 
M

Mr Acurite

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Diode, check. Driver, check. Module, check. Wiring, I have some laying around which I've used for other things, works great even with pretty high voltage, check. Batteries, check. Heatsink and host, I thought were decided to be unnecessary? Correct me if I'm wrong, please. What do I do about the lens? It doesn't come with the module or diode? And I decided that I'll go with the 300-400 mw red diode for $6, the price is too good. What else am I missing?
 
The Lightning Stalker

The Lightning Stalker

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Don't forget these.

Eagle Pair® 190-400nm & 580-760nm Laser Safety Goggles

You still need a heatsink to run the diode longer than a few seconds. Some modules come with a lens,
some do not. The PMMA (or whatever it is) lens that comes with most modules will be fine for anything
below 500mW. A 3 element glass lens coated for red will let more light through (better for burning). A
host isn't absolutely necessary. Sometimes the heatsink is the host.
 
M

Mr Acurite

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What kind of heatsink would work best for the diode and other things stated so far? Any particular item I should buy?
 
M

Mr Acurite

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Diode, check. Driver, check. Module, check. Wiring, check. Batteries, check. Heatsink, check. Safety goggles, check. Anything else?
 
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