[General] Raspberry Pi PS 5V Switching 1A

WebDawg webdawg at gmail.com
Tue Feb 12 22:07:26 CST 2013


Be nice to see one you can purcahse already.  It is almost 300% over goal.



On Tue, Feb 12, 2013 at 10:44 AM, Enabrin Tain <enabrintain at yahoo.com> wrote:
> For those who like to gamble...
>
> http://www.kickstarter.com/projects/pisupply/pi-supply-intelligent-power-switch-for-raspberry-p
>
>
> ________________________________
> From: WebDawg <webdawg at gmail.com>
> To: General discussion about makerslocal <general at lists.makerslocal.org>
> Sent: Monday, February 11, 2013 11:36 PM
> Subject: Re: [General] Raspberry Pi PS 5V Switching 1A
>
> I did use a USB hub in the end.  I still had the same prob.
>
> On Mon, Feb 11, 2013 at 8:50 PM, Tyler Crumpton
> <tyler.crumpton at gmail.com> wrote:
>> Web,
>>
>> Usually if the devices hang, it is a power issue. But it's not necessarily
>> the power supply at fault; the Pi can only supply 100mA to each of its USB
>> ports. If you want to run any sort of high-ish power USB device, you'll
>> want
>> to run it through a powered USB hub. Another symptom of USB power issues
>> is
>> repeated/missed keystrokes on a connected keyboard.
>>
>> -tylercrumpton
>>
>>
>> On Monday, February 11, 2013, WebDawg wrote:
>>>
>>> They keep talking about switching power supplies.  I did not realize
>>> that the pi PS was an issue until I looked it up.
>>>
>>> I am still having problems with the USB on the pi.  Right now I have a
>>> GPS attached that stops working after about 1 day.  I was trying to
>>> turn one of the pi's into an accesspoint about two months ago and I
>>> had the same problem.  The thing would just lock up.
>>>
>>> I have a 1A kindle charger powering it right now and I just checked
>>> and it looks like the GPS is offline.  Do these things drop USB
>>> devices like this?  I am using archlinux ARM if it matters.
>>>
>>> My next step I suppose it to try a better PSU.  Am I correct that I
>>> want it to be switching?  In the end I would like to build sealed
>>> devices and such that I can power with POE (access point) but I cannot
>>> move forward if I cannot get a simple low power GPS to work.
>>>
>>> Something like this maybe:
>>> http://www.embeddedarm.com/products/board-detail.php?product=TS-12W
>>>
>>> Thanks.
>>>
>>> Web...
>>>
>>>
>>>
>>> On Mon, Feb 11, 2013 at 8:20 PM, Kyle Centers <kylecenters at gmail.com>
>>> wrote:
>>> > You're gonna want at least 2A. I found a 5 v wall wart, and spliced in
>>> > a
>>> > mini USB plug.
>>> >
>>> > On Feb 10, 2013 1:24 PM, "Daniel Hess" <dan9186 at gmail.com> wrote:
>>> >>
>>> >> If you want a good all around supply the HP Touchpad charger is
>>> >> probably
>>> >> one of the best ones. Though might be a little overkill for some
>>> >> applications.
>>> >>
>>> >> Otherwise the iPhone and iPad chargers are supposed to be the next
>>> >> best
>>> >> at
>>> >> providing the expected amounts. Just be careful of the china knock
>>> >> offs
>>> >> (surprise surprise.)
>>> >>
>>> >> Daniel
>>> >> Sent from my iPhone
>>> >>
>>> >> On Feb 10, 2013, at 10:46 AM, Joshua Pritt <ramgarden at gmail.com>
>>> >> wrote:
>>> >>
>>> >> I've used several samsung galaxy s3 and LG android phone chargers with
>>> >> great success.
>>> >>
>>> >> On Feb 10, 2013 11:41 AM, "Tyler Crumpton" <tyler.crumpton at gmail.com>
>>> >> wrote:
>>> >>>
>>> >>> Hey,
>>> >>>
>>> >>> I've had good luck with the stock iPhone and iPad chargers. Pretty
>>> >>> much
>>> >>> any 3A (15W) USB charger on eBay should work fine.
>>> >>>
>>> >>> -tylercrumpton
>>> >>>
>>> >>> On Sunday, February 10, 2013, WebDawg wrote:
>>> >>>>
>>> >>>> Hey,
>>> >>>>
>>> >>>> I am looking for a great power supply for the RPI.  Anyone have any
>>> >>>> recommendations?
>>> >>>>
>>> >>>> Web...
>>> >>>>
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