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Thread: 110v or 220v AC to 12vDC converter

  1. #1
    Newbie jessebs's Avatar
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    110v or 220v AC to 12vDC converter

    If I made a couple of these, would anyone be willing to buy them?

    Basically, I use it to power my carputer usings its internal (12vdc) power supply, so when I bring it inside for development, I dont have to bother with connecting a standard ATX power supply.

    It is somewhat similar to http://www.hobby-warehouse.com/in10ashepows.html in functionaliy (but not adjustable output).

    Not sure the exact ampres out yet, but it will be at least 10

    Price for such a unit would definately be <$50, Probably closer to $20 or $30.

    If anyone is really interested, I can look into this and estimate the price better.
    [###########--] 85% complete - Software Installation

    To Do: Complete Voice Recognition, transfer hardware into car and wire.

  2. #2
    FLAC evandude's Avatar
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    you can already buy power supplies that are designed to run car accessories indoors... typically used by HAM radio operators...

    http://store1.yimg.com/I/teptronics_1851_77612990

    you can get them with 10-20 amps output for reasonable prices... so you'd have to at least beat the price of those... (do a google search for "13.8V supply") not trying to rain on your parade or anything, because if you CAN sell them for $20 or $30 then i'm sure you'll have little trouble finding buyers on here. (including myself, perhaps)
    But don't take it from me! here's a quote from a real, live newbie:
    Quote Originally Posted by Viscouse
    I am learning buttloads just by searching on this forum. I've learned 2 big things so far: 1-it's been done before, and 2-if it hasn't, there is a way to do it.
    eegeek.net

  3. #3
    Newbie jessebs's Avatar
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    Power Converter is a link of how I made mine. If i marketed it, i would make it look alot better (and be safer).
    [###########--] 85% complete - Software Installation

    To Do: Complete Voice Recognition, transfer hardware into car and wire.

  4. #4
    Banned RPM_VR4's Avatar
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    I am very interested for <$50 (if you can keep it small). I use those 13.8V 3A-5A's at work all the time. We also use 10A ones but they are HUGH weigh A TON and cost $100+.

    7A should easily do it. The biggest requirement is small size and low heat.

    I really want it set up so that the 110V-13.8V is inside my shuttle cube (along with my Carnetix 12V regulator) and on the back there is a standard PC plug connector (along with a seperate connector for car battery input). That way when I am visiting someone, I can simply pull my CarPC out of the trunk and plug it into their TV to show-off my huge DiVX library of movies and TV running a full-screen interface on their TV!

  5. #5
    Newbie jessebs's Avatar
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    This is just a modified atx powersupply, so size and everything is that. Cost was going to be the price of the powersupply, plus my time (but not alot).

    I dont think this is the solution you are looking for, sorry. Maybe try searching for a 1u atx power supply?
    [###########--] 85% complete - Software Installation

    To Do: Complete Voice Recognition, transfer hardware into car and wire.

  6. #6
    Banned RPM_VR4's Avatar
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    Well, in that case, have you ever heard of anyone making an ATX Y-Splitter with relays? I was thinking if the AC/DC is providing power, all of the ATX lines would be disconnected from the DC/DC, and if it is not then all of the ATX lines would be disconnected from it so the DC/DC can work and not blow up the AC/DC.

    A switch (rather than relay) solution would be fine too, but where could I find a 2-position switch that can change all ATX lines (9 lines minimum) with enough amperage?

  7. #7
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    Sales Manager

    Hello everyone...as brief as I maybe. I am an American manufacturer of 12volt power sources [110vac to 12vdc from 30amps to 80amps].

    My primary market is the RV Industry but I'd like to diversify into the Automotive Industry.

    As many of your questions imply...you're looking for an inexpensive 12volt Power Supply and I have them.

    Feel free to contact me directly at jsalvo@progressivedyn.com

    I'd like to find out how to become affilliated with your industry so I won't have to find every chat room forum to attract business. Somehow find a distribution network to become associated with.

    Thank you and best regards...Joec.

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