Re: ATX motherboard running off 12V battery?
- A big thanks to you and everyone else who replied for the links. These will be very helpful and get me what I need.
--- In SeattleRobotics@yahoogroups.com, "Bruce J Weimer MD" <bjweimer@...> wrote:
> I've built my own version of a ROS Turtlebot using a 12V 12AH SLA battery
> and this automotive DC to DC converter:
> 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