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    Terrorists prefer UPS

    Looks like one of them nasty toner bombs. One false move and "BLAM!"... toner all over the place... Have you ever seen the mess that can make?
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    Random Link Bandit stikes again

    I have started copying a collection of live recording I made during the 80's when I was a touring sound engineer. Brings back good memories. I am surprised how well my mag tape collection has held up over the past 25 years, no oxide issues that I can determine. Some of the tapes sound awesome. I...
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    Hello From California

    Welcome to the forums! Feel free to browse and ask questions. We are here to help you out when we can. Some important things you need to know, 1 don't double post (2 posts is a row), 2 dont open multiple threads about the same thing. 3 don;t feed the trolls!! Read the forum rules, FAQ and also...
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    200mW of green for $125 shipped!!!!!!!!!!!!!

    Oh, that does not sound good..... Perhaps a modification is in order or replace the laser drive altogether and just keep the PSU for the TEC and laser power source?
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    Random Link Bandit stikes again

    Are you a Zepplin fan too? I have most of their albums... Make a crawling robot with Tesla/Jacobs coil on it back, lasers for eyes and a "Gimee" tin strapped on. Now get to it!
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    Avatars

    Nice work. You could have made the "dude" point a laser at the stock pile, that would have been cool. What program do you use?
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    What else do you guys build?

    Sorry for the double post, my attached image limit was reached. This is my 2nd NAS box, it wakes up at 9pm each night and syncs with NAS #1 then goes back to sleep. I use RSYNC protocol for syncronisation, so that only new/changed files are copied. 7 x 750GB drives, an old AMD Semperon CPU and...
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    What else do you guys build?

    This was last years project, a NAS box to store all my music, videos and photos. It's a Core 2 Duo with 4GB RAM, 2 x 4 port SATA cards, 6 1TB drives in dual-parity RAID (raidz2) running FreeNAS from a USB key. I used to be part of the FreeNAS project, Lasers took my focus away... FreeNAS is...
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    Random Link Bandit stikes again

    And just what is wrong with flashing glasses or boasting rights? :mad: Some people are hard to please...
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    Random Link Bandit stikes again

    Bored? Tired of fighting on the forums? Why not take the "Buy Break Build" challenge? The first one just kicked off, take a look. Some cool prizes, including "boasting rights". BBB #1: The Santa-pede challenge - Hack a Day
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    Jay, you negative rep my for my views on your behavior on the forums? And then this: "Don't be...

    Jay, you negative rep my for my views on your behavior on the forums? And then this: "Don't be fooled by what you see for you do not know what really is going on behind the scenes." I have a fair idea from speaking with a few senior members here... I used to think you where ok, I even liked the...
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    XJ-A150 News

    Given the LD's are illuminating phosphors, I would not read expect the LD wavelength to represent the apparent video output changes...
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    200mW of green for $125 shipped!!!!!!!!!!!!!

    Surely this can be corrected in software or via a colour correction board?
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    XJ-A150 News

    True. We also have T_J's face. <runs from T_J>
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    XJ-A150 News

    It will be interesting to see if they have implemented additional "anti-harvesting" measures....
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    CrazyJays Review of the Radiant Alpha meter

    As have I. It is strange that a lawyer would post such threats.... I thought Jay was ok until today.
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    blanking LM317 + green module

    I have tried a similar setup, using an NPN open-collector arrangement with the LD wired collector (-) to +3V6 (+). I also added a resistor across the transistor C and E to provide a "bias" voltage to the LD, resistance selected to obtain just below the lasing threshold. 12 ohms in my case with...
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    200mW Green module on eBay for $95

    I doubt it is 200mW. Maybe 100-150mW. I have tried these "200mW" modules from DX, and they appear to be around 100-150mW as they burn. They look the same. The beam quality is so so, and the beam exits at a slight angle. Cheap, you get what you pay for. They need heat sinking for CW and require...
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    CrazyJays Review of the Radiant Alpha meter

    Down here we call it a Brain Fart. I'll be honest, I am thinking of calling it a day.
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    My 445 build

    Hence the quick test. I tried 5, 10, 15, 20 second burns, all gave the same result which is 1x3. Thanks for you help.


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