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Pros: - Amazing value- They're green! That's a pro in itself- For the most part, powerful for a 5mw-rated module
Cons: -Build quality is only ok; they look a bit rough-and-ready when received, but who cares at this price level-Power output seems to be a bit hit-and-miss; some modules are brighter than others. This can be fixed by adjust the pot, though
Other Thoughts: I bought 12 of these little beauties for a laser harp project I'm working on, and for the price, they can't be beaten. Some of the modules I received were considerably dimmer than others, but I was able to fix this by tweaking the potentiometers on the control boards (after cutting the heatshrink away)...though was careful not to take things too far, or the diodes might blow. I've just tested them on a pair of 1.5V AA's, and they're brilliant to be honest. In a daylit room, you can still just about make out a beam from the light reflecting off any dust in the air. I've not tested in a dark room yet.
Bottomline: Just a fantastic module at a price level that's way below any other you'll find. Some adjustment may be needed to the pot and be careful to stick to 3V max input, but other than that...I love 'em.
Pros: Great laser! I love green lasers hehehe. Power output is really 5mW and it looks very nice. Great for DIY. This a genuine NewWish laser.
Cons: None.
Other Thoughts: Great laser for DIY. Its very cheap and works very well.
Bottomline: If you want a low power green laser diode, this is the one to get!
Pros: Excellent laser for the price, I'd guess about 5-10mw in output. Comparable to about 1/4 of my DX 50mw.
Cons: Don't try and mess with the POT. It's rated for 5V and I only have a 4V supply, so I maxed the pot and blew it under 1 second. It worked fine with 3V, so stick to <5V and don't mod it.
Other Thoughts: Would have loved to see the beam at night, but I blew it rather quickly ;) ** my own fault! See pics for the insides as I have stripped it.
Bottomline: Nice for OEM products, mini laser shows etc. Build your own :) Or mod this into a flashlight (not sure if it will run under 3V).
Pros: Very nice laser module for the price. Just apply 3VDC and away you go. I was able to get about 12mW-15mW of power out of it. Yes, unit has a IR filter.
Cons: None Yet!!
Other Thoughts: A more powerful laser module in this style would be nice. I recommend using 2 AAA or 2 AA batteries to power unit. Do Not exceed 3 VDC input.
Bottomline: A nice start for those looking for a well priced laser module to experiment with.
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