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Thread: Wall Wort

  1. #1
    Join Date
    Jun 2010
    Location
    Atlanta Georgia
    Posts
    124

    Question Wall Wort

    can you use a wall wort to power your laser diodes?
    i have a 500mw dpps green diode, and a 1 watt blue casio diode.
    and dr lava set up my driver board the flexmod 3 for 9 volts.
    so the question i am asking is can i use a 9 volt wall wort to power thes diodes?
    thanks and God bless.
    God Bless.

  2. #2
    Join Date
    Jul 2006
    Location
    Connecticut, USA
    Posts
    2,478

    Default

    Hi Tommy-

    Sure. the only problem with their power supplies is that they are not regulated. So the outputs can vary quite a bit. In fact people have seen power drifts as much as 30%-40%

    not exactly what we want for laser use. to power a radio, sure, not a problem. if you use one, just check the output voltage with a DMM first and confirm its output.

    A better choice would be a regulated power supply like we use from meanwell. However, the wallmart ones *will* work. just test it first.

    -Marc
    http://www.laserist.org/images/ildalogos/ILDA-logo_colored-beams_Corporate_150w.jpg

    ILDA- U.S. Laser Regulatory Committee

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  3. #3
    Join Date
    Jun 2010
    Location
    Atlanta Georgia
    Posts
    124

    Question 9 volt wall worts

    i have a lots of 9 volt wall worts. but when i measure them with my volt meter, they always say around 12 volts. this is with nothing hooked up.
    is this ok to use?
    or where can i get a 9 volt regulator to install between the wall wort and the diode.
    thanks and God bless.
    God Bless.

  4. #4
    Join Date
    Mar 2010
    Location
    Phoenix,Az
    Posts
    285

    Default WALL WORT

    As long as the wall wort is the propper voltage and current ratetings for the drive requirements used for the laser diode. A "regulated power supply" is your best option for this but, is not a must!
    BEAMANN (GODSLIGHT SHOWS)

  5. #5
    Join Date
    Jul 2007
    Location
    Brooklyn NYC
    Posts
    820

    Default

    radio shack should have it maybe they usta

    but the part you are looking for is lm7809

  6. #6
    Join Date
    Jun 2010
    Location
    Atlanta Georgia
    Posts
    124

    Smile thanks

    thanks for your quick replys.
    God bless.
    God Bless.

  7. #7
    Join Date
    Jun 2007
    Location
    Lake Geneva, WI.
    Posts
    2,704

    Default

    Quote Originally Posted by VJ AIWAZ View Post
    radio shack should have it maybe they usta

    but the part you are looking for is lm7809
    The only problem with that is the 7809 is only good for 1A. I'd suggest a small 12V 2A switching PS off of ebay for $10 shipped.

  8. #8
    Join Date
    Jun 2010
    Location
    Atlanta Georgia
    Posts
    124

    Question where

    do you have a link to the 12 volt switching power supply on ebay you are talking about. thanks and God bless.



    Quote Originally Posted by 300EVIL View Post
    The only problem with that is the 7809 is only good for 1A. I'd suggest a small 12V 2A switching PS off of ebay for $10 shipped.
    God Bless.

  9. #9
    Join Date
    Apr 2010
    Location
    Grand Rapids, Mi
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    2,433

    Default

    Be sure they are 9V DC and not AC, also the reason you get near 12v when you measure them is because there is no load under load it will diminish quickly.
    leading in trailing technology

  10. #10
    Join Date
    Oct 2006
    Location
    Central Florida
    Posts
    7,067

    Lightbulb

    There has to be someplace where you are that you can buy a regulated power supply. Down here we have SkyCraft; A-Town has to have something like that.
    Love, peace, and grease,

    allthat... aka: aaron@pangolin

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