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Well done sir! Looks beauuttiffulll! I know i'll probably never make a laser that nice.

He is right... just about all radio bands are government regulated (with good reason). What your trying to do is very illegal.... Its pretty easy to do though even at a wide 1-2mile radius.... however, unless you find some very convincing reason I don't think i'm going to bother to share =P...

PWM and LM317 would not go well together, use a discrete current sink.

you don't have room for 2 micro flexes? creating a nano size laser or something?

We have no way of knowing what the max current of those low powered diodes are. If there already maxed out, touching the pot would kill them. Especially if its a cheap small few turn pot. With a slight turn you may double to quadrupole the current. If you don't mind buying another one you can...

Thanks, works great! Meters at 200mW with 330mA. :)

you are gawd :bowdown::bowdown::bowdown: have a DIY link for this? Or did you make this mostly from scratch?

Whats the pinout for these guys? Same as the 405?

Very interesting, never seen that type of package used for a resistor before. Looks very nice and clean though! Would be curious as to what your doing with the tabs on those packages? Are you reflowing those with hot air or whats your approach for making the tabs have good contact with the...

Wolf, yes I would ensure to not exceed the max power rating of the resistor or supply. I would use umm 2ohm, 5W resistor then a 6V supply thats rated for more then 3Amps... that should do it. Assuming I thermally connect that resistor well enough to the heat sink I would be transferring 3Ws of...

I assume thats fun ole sarcasm? yup, it keeps me thinking pretty cool. =P Cast iron is meant to absorb heat from the brass pipe extender. The iron doesn't touch the laser module. Meant to couple heat from pipe bushing. Brass pipe bushing is 12.7mm in diameter so the module fits nice and snug...

whaaaa! =( Sorry to hear that. It is a course the right decision though. Hope you stop in time to time!

Hey... my first laser. Woohoo... Know I know its ugly... but it was cheap-ish =P Driven with 150mA. Optical output = 110mW. Anyhow, wanted something very stable and wall powered. Now if your a cheapskate you will be very careful on what companies and people around you throw out =)...

Thanks alot for your super generous offer with CPU heatsinks, much appreciated!

Looks like WLs own rep will kill its own business... Not to many laser hobbyists would cry if they went. However, really sucks to hear that your lasers are keep getting stolen.

Realistically speaking here is what your going to get unless you want to pay mega bucks diode only ... (powers are listed in peak... acourse you can go below peak easily) 650nm = 200-300mW = 10-15 usd = 400mA = lpc-815 445nm = 1-2W 40-55 usd = 1A - 1.8A = XJ-A140 DLP 405nm = 400-600mw =...

Hmm.... i'm seeing your point but I'm still agreeing to disagree. While your weight scale at home may be able to read something below its accuracy, at that point you still have to question the true accuracy of that reading given the tolerance. Where as if you took a scale that was designed for...

Then we shall agree to disagree... although the resolution may be up to .25 degrees it is pointless if that resolution exceeds the meters accuracy. At work we define our outputs signals in terms of our accuracy, not in terms of our resolution. Although we may have a 16bit ADC we can't possibly...

My calculations may be wrong... however... lets see.... Say we want 1mw resolution and a 1W peak. That means our meter would accurately need to read 1000 steps. Now the meter is rated for 2 degree accuracy so that would define out step size... (ideally you would want a 4degree step size to...

I've actually looked into this cause I thought it would be nice to make my own data logging LPM. Was inspired by the 2.5W Laserbee ;) Hate to say it guys but this thing couldn't come close. 2degree range on that dude is way too terrible of accuracy. Almost to cheap to even use as a...