[hpsdr] Fwd: Re: pihpsdr

[Jae Stutzman (K5JAE)]

I was having the same issue with several combinations, so I finally bought
the CanaKit 5V 2.5A on Amazon and works fine, even with the Y-cable to
support both the PI and the 7" display. Since it is a dedicated 2-wire
power supply, the wire thickness is 20 AWG.

https://www.amazon.com/gp/product/B00MARDJZ4/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

73,
Jae K5JAE

On Sun, Feb 5, 2017 at 12:41 PM, Scott Traurig <scott.traurig at gmail.com>
wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
>
> John makes a very good observation. At the extremely low price points of
> these commodity USB power supplies, one cannot always believe the spec. I
> went overkill and obtained the Adafruit 10A supply with a 2.1mm coaxial to
> USB adapter.
>
> The other possibility is a poor USB cable of some sort. 28AWG conductors
> don't do very well even when a 10A supply is at on end. Depending on how
> you are wired up, that could be a factor. I try to make it a point to
> obtain USB cables for power critical applications that have 22AWG
> conductors or larger.
>
> However, usually you will see the yellow lightning bolt symbol on your Pi
> display if voltage is on the low side. Perhaps not always.
>
> 73,
>
> Scott/w-u-2-o
>
>
> On Sun, Feb 5, 2017 at 1:27 PM, John Melton <john.d.melton at googlemail.com>
> wrote:
>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi Bob,
>>
>> I have found some 2 amp supplies are not what they say they are!
>>
>> -- john
>>
>>
>> On 05/02/17 17:48, Bob Cowdery wrote:
>>
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>> Hi Jan. Its a 2A supply so should be fine. I've tried knocking WiFi and
>>> Bluetooth on the head but no luck so far.
>>>
>>>
>>> On 2/5/2017 5:42 PM, dl2hbj at gmail.com wrote:
>>>
>>>> Hi Bob,
>>>>
>>>> I had a similar problem which was gone with a more powerfully power
>>>> supply.
>>>>
>>>> Jan, DL2HBJ
>>>>
>>>
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