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Hmm I kept a 3$ red with key chain clip on my keyring for 4 years and it never failed. It still works and is on the second set of 3 button batteries. I know the reds are durable but i clipped this one to my belt loop day after day and it never failed. I hope the quality extends to the newer...

Maybe I am wrong, but if it was me, i would look to put 4.5 + 3ish = 8 to 9 v on it as I can't expect the circuit to lose more then 3v. I agree I would stack some lithium batteries as compared to a alkaline 9v. SN

Sorry But as I understand it, the circuit needs 6.5+v to actually deliver 2.8v to the diode. If i am wrong, forgive me, but reading the ddl design of it in the original drawing / thread regarding a red, it loses 3 volts inherent to the internals of the LM317, when used in this capacity /...

The radio Shack has a decent DMM for 25$. I have a fluke and this RS one and tho the RS is slower to respond, i use both and they are accurate. Can't beat a fluke but if you dont have a multi purpose scope, you will want a couple meters anyway, the RS @25$ is dang good at millivolt and milliamp...

Hmm Keep in mind that this circuit is designed to regulate current NOT voltage, thus if you want 3v on the diode, its designed to take 7v on the input. It's my understanding that the LM317 in this circuit is going to drop 3 to 3.5 volts as the LM317 inherently consumes this. the design of the...

I would clear this up, but I can not explain it in words less confusing either. Green diodes don't exist except for that they are IR diodes run through some "mystical glass" and then they are green but seem to be ALOT less powerful then they were as IR. Maybe that helps SN

apply for your "secret agent" ID then maybe you can trace DX stuff... anyway it works and takes like 2.5 weeks SN

Re: Aquarius 5 (Laserglow blue).... first impressi if the laser is not per spec, follow the RMA and get it replaced, the maker can give you a new one and they will fix the one thats broken and re-market it. sorry but you deserve one that is what you bought. shipping delays are a drag, but do it...

DX is ok, but remember they seem to sell things that have become "overstocked" and thats why its so cheap. If you find stuff there you like, jump on it as its decent but just outdated most likely, anyway, sky shows are cool, but you may need to get a permit for such I do not know the law but...

Re: how can i track my package once it reaches the Oh, once again I thought we were all retired, I hate it for you working stiffs, washing dishes for a nickel a piece? I hate it for ya, Glad u got eye wear hope you find good jobs and can retire early too! SN

Re: how can i track my package once it reaches the There is no way to count days in the china republic. I count total days and your envelope is due in a couple days. yeah, i thought it should be in a box, but nope SN

Re: how can i track my package once it reaches the My experience is 9 to 12 days, you should have the envelope in 1 to 3 days if your mail is like mine. I speak this from 5 DX shipments, so its not just a 1 time deal 12-14 business days is usual from the business day after DX said it shipped...

While you wait, Seek Protective eyewear, if you dont think you need it, read read read the pages here... If your friends do not have glasses, video tape it for them to see,,, this is not a playtoy, its real and it can blind people, take head and be safe. I wish you well and hope you enjoy...

Interesting, but I don't know if it's worth the bother. Even the PHP forums I am envolved with don't bother with it. More important seems the ability to spam with only 0 posts. Maybe an idea to slow spam is more warranted then worrying about users that are not active. No matter, the forum is a...

GRRRRR LOL I told ya to post it here and not reply... lol just let it settle and admin will , "walk them out" oh geesh did i recall that from some patrick swayze movie? anyway, it works, just let the thread die and comment elsewhere, here there anywhere but to them, and they lose intrest...

Re: how can i track my package once it reaches the I hear ya, Don't bother trying to track it, it will arrive in time. I tried it and its not worth it. Just wait and it will arrive. 9 to 16 days is normal. SN

Laser Protective Eyewear When in unshielded presence of an operating Class 3b or Class 4 laser, or when in the same room and there is any chance that the beam will become active. [cover your eyes] Eye cover (goggles, glasses, shield) specifically designed for protection from the class and the...

Laser eyewear is more pricey then lasers, :( They are your eyes so, Its your decision to buy what you trust. Wicked lasers has them at ~$40 per color. They do not have certificates regarding them. NoIR has USA certified glasses but they are designed for medical uses and the price is...

I got 2 comments 1 The closed can if encapsulated in a tight fit over the entire LD would utilize a heatsink as good or better then an open can that has no airflow. 2 Opening a can may allow better cooling if someone flows air over it or can make a heatsink touch the center (main source of...

Thanks for the clarification. If your interested, I could machine a die that mates to the form of that can. I bet jay could do the same. I have made my own die to adjust the focus inside the dx 70 and such that are buried in the heatsink. With the thread sealer used (loctite of sorts) using a...