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Re: ATX motherboard running off 12V battery?

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  • Lucas
    A big thanks to you and everyone else who replied for the links. These will be very helpful and get me what I need. Luke
    Message 1 of 5 , Jun 16, 2013
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      A big thanks to you and everyone else who replied for the links. These will be very helpful and get me what I need.

      Luke

      --- In SeattleRobotics@yahoogroups.com, "Bruce J Weimer MD" <bjweimer@...> wrote:
      >
      > Lucas,
      >
      > I've built my own version of a ROS Turtlebot using a 12V 12AH SLA battery
      > and this automotive DC to DC converter:
      >
      > http://store.mp3car.com/Mp3Car_DSATX_p/pwr-023.htm
      >
      > The converter outputs regulated 12V, 5V and 3.3V. I use the regulated power
      > from the converter to run a Kinect, a powered USB hub, my electronics and
      > the bot's drive motors. I have a laptop on top of the bot running on it's
      > own internal battery - but of course this converter was intended to run a
      > car computer... so no reason that you shouldn't be able to make that work.
      >
      > There are other similar DC to DC converters out there - but really cheap
      > ones may not hold up for long... so I spent a few bucks and I've been happy
      > with this product.
      >
      > Dr. Bruce.
      >
      >
      > ----- Original Message -----
      > From: "Lucas" <lukeyes@...>
      > To: <SeattleRobotics@yahoogroups.com>
      > Sent: Saturday, June 15, 2013 7:55 AM
      > Subject: [SeattleRobotics] ATX motherboard running off 12V battery?
      >
      >
      > > Hi everyone,
      > >
      > > So with my current big robot, the plan is for the brains to be two ATX
      > > pcs. One of my next tasks is to get one of these hooked up and running
      > > off of a 12V marine battery.
      > >
      > > Has anyone here ever done this? I've seen that you can buy a car inverter
      > > that will convert 12V DC to AC, but I'm worried about the inefficiency of
      > > going DC-AC-DC. DC-DC seems like a better option. And I imagine a lot of
      > > commercial (and expensive) car PC options work around the limitations of
      > > car batteries not being good at deep discharge.
      > >
      > > Any help is appreciated. This is going to be a blocker coming pretty
      > > soon, so I'd like to figure it out as soon as possible.
      > >
      > > Thanks,
      > > Luke
      > >
      >
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