1. Welcome to the 12ozProphet Forum...
    You are currently logged out and viewing our forum as a guest which only allows limited access to our discussions, photos and other forum features. If you are a 12ozProphet Member please login to get the full experience.

    If you are not a 12ozProphet Member, please take a moment to register to gain full access to our website and all of its features. As a 12ozProphet Member you will be able to post comments, start discussions, communicate privately with other members and access members-only content. Registration is fast, simple and free, so join today and be a part of the largest and longest running Graffiti, Art, Style & Culture forum online.

    Please note, if you are a 12ozProphet Member and are locked out of your account, you can recover your account using the 'lost password' link in the login form. If you no longer have access to the email you registered with, please email us at info@12ozprophet.com and we'll help you recover your account. Welcome to the 12ozProphet Forum (and don't forget to follow @12ozprophet in Instagram)!

another stupid electronics question about cold cathodes.

Discussion in 'Channel Zero' started by seeking, Mar 22, 2004.

  1. seeking

    seeking Dirty Dozen Crew

    Joined:
    May 25, 2000
    Messages:
    32,277

    another stupid electronics question about cold cathodes.

    Discussion started by seeking - Mar 22, 2004

    let's say i wanted to use cold cathode lighting in something...a an art faggy sculpture/lamp for instance. now, i know it needs 12v to run it, and i know that the voltage out of a socket is 110 or 120 or something. so can i just buy a '12v adapter' from radio shack, like the kind you'd use to power a radio or nintendo or some shit? is that the same sort of thing?
    is there an easier way to go about it?
     
    seeking - Rank: Dirty Dozen Crew - Messages:
    32,277
    - Joined:
    May 25, 2000
  2. villain

    villain 12oz Veteran Member

    Joined:
    Jul 12, 2002
    Messages:
    5,190

    villain - Replied Mar 22, 2004

    I suppose you could use a step down transformer. You should watch the amps though. Cause that's what makes or breaks alot of things. Electronics in particular you could have a 12v batter per say but it runs on so many milliamps as opposed to say a light which would have a higher amperage cause it uses electricity to generate heat and light. Cold cathodes are funky on a whole nother level and I couldn't tell you much on them. What I would suggest is looking at the specs. If you want to tweak the amps you could use resistors.

    Here is Ohms Law:

    E(nergy)=I(current)*R(esistance)
    I=E/R
    R=EI

    Energy IS Volts
    Current IS Amps
    Resistance IS Ohms

    If you had the specs I could formulate something for you if you want.
     
    villain - Rank: 12oz Veteran Member - Messages:
    5,190
    - Joined:
    Jul 12, 2002
  3. v.greenbacks

    v.greenbacks New Jack

    Joined:
    Feb 29, 2004
    Messages:
    28

    v.greenbacks - Replied Mar 22, 2004

    wow, college was a long time ago.
     
    v.greenbacks - Rank: New Jack - Messages:
    28
    - Joined:
    Feb 29, 2004
  4. villain

    villain 12oz Veteran Member

    Joined:
    Jul 12, 2002
    Messages:
    5,190

    villain - Replied Mar 22, 2004


    Haha.. yeah you gotta use the stuff regularly and keep it finely tuned...
     
    villain - Rank: 12oz Veteran Member - Messages:
    5,190
    - Joined:
    Jul 12, 2002
  5. ClueTwo

    ClueTwo 12oz Veteran Member

    Joined:
    Nov 30, 2001
    Messages:
    9,016

    ClueTwo - Replied Mar 22, 2004

    Like Villian my experience isn't all cold cathodes, but from my understanding and talking to a guy that works with me. Under normal operation these cathodes run on a 12V supply(i.e. cigarette lighter socket, computer supply,etc.) then the tube will have a small inverter to up the voltage to a couple hundred volts at very low current. Regardless of where the voltage comes from the inverter is doing most of the work and will be the first to take a shit if you do it wrong. So the answer to your question: Yes, you can use a Rat Shack adapter @ 12V 300-500mAH. Be careful with polarity and try not to go over in current.

    Hope that makes sense....

    ******Forgot to mention that you should defintely check on the cathode and see what it requires for an input (voltage/current) and just try to match it as best as possible. That's pretty much obvious and you;re smart guy, but damnit I don't want to fuck something up....
     
    ClueTwo - Rank: 12oz Veteran Member - Messages:
    9,016
    - Joined:
    Nov 30, 2001
  6. villain

    villain 12oz Veteran Member

    Joined:
    Jul 12, 2002
    Messages:
    5,190

    villain - Replied Mar 22, 2004

    Yeah I'm pretty sure if the amps were too high you would blow the suckas....
     
    villain - Rank: 12oz Veteran Member - Messages:
    5,190
    - Joined:
    Jul 12, 2002
  7. High Priest

    High Priest 12oz Elite Member

    Joined:
    Jan 1, 2002
    Messages:
    4,928

    High Priest - Replied Mar 23, 2004

    http://www.cincinnati.com/freetime/movies/mcgurk/img/dogtown.jpg'>

    ALVA!
     
    High Priest - Rank: 12oz Elite Member - Messages:
    4,928
    - Joined:
    Jan 1, 2002
  8. seeking

    seeking Dirty Dozen Crew

    Joined:
    May 25, 2000
    Messages:
    32,277

    seeking - Replied Mar 23, 2004

    thanks folks.
    i think im'a go order some cold cathodes now and put this bitch to rest.

    i really need to learn some basic electronics. there is way too much bitchen shit that can not be powered by the 12oz message board.

    seriously though, i'm a little old to be learning new stuff. it's difficult as hell for me. especially things that deal in absolutes (math etc). it shouldnt be, because i'm very logical so formulas should be a snap, but nope...not the case.
     
    seeking - Rank: Dirty Dozen Crew - Messages:
    32,277
    - Joined:
    May 25, 2000
  9. Dirty_habiT

    Dirty_habiT Dirty Dozen Crew

    Joined:
    Mar 8, 2001
    Messages:
    18,056

    Dirty_habiT - Replied Mar 24, 2004

    Go to radioshack and get a 110 to 12v transformer. And if you want to learn electronics one of the mose essential tools is a multimeter.... and they are kinda pricey for a good one.
     
    Dirty_habiT - Rank: Dirty Dozen Crew - Messages:
    18,056
    - Joined:
    Mar 8, 2001