[arm-allstar] RPi3 LEDs acting weird

Doug Crompton wa3dsp at gmail.com
Mon Jan 1 17:55:52 EST 2018


Larry,

 Well I am not always right but I have had it happen to me before. Bad
power is often the problem. Glad you got it going.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*


On Mon, Jan 1, 2018 at 5:03 PM, "Larry via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> The solution to my blinking LED ...  As always Doug you were right...Power
> Supply.
>
> I was using my bench supply while building a few new Pi nodes. Supposedly
> it has more than enough current. I Had checked the Voltage many times and
> was always set for 5.15 V out
> when feeding the Pi3.  Current regulation must be flaky as the Pi's Red
> LED would stay on steady whenever the USB FOB ptt was active and passing
> audio.
>
> Solution was to drag out one of the Ebay Chinese 12 volt to 5 volt 3 amp
> converter and hook it to 12 volts from the bench supply.
> Flip the switch and the Pi3 Red LED is rock solid.
>
> Love those little ebay converters. For the price you can't go wrong.
>
> Larry - N7FM
>
>
>
> On 01/01/2018 08:48 AM, "Doug Crompton via arm-allstar" wrote:
>
>> Larry,
>>
>>   It sounds like you have a power supply problem. The red light on the Pi
>> should not go out during normal operation. It also possibly could be a bad
>> SD card or a bad image load.
>>
>>
>> *73 Doug*
>>
>> *WA3DSP*
>>
>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>>
>>
>> On Mon, Jan 1, 2018 at 3:57 AM, "Larry via arm-allstar" <
>> arm-allstar at hamvoip.org> wrote:
>>
>> I get to ask the the first dumb question of the year.... yea!
>>>
>>> I have a Pi 3 node installed with the early 1.5 version of hamvoip
>>> software.
>>> It has always been updated to the latest as soon as a notice appears.
>>>
>>> Node works just fine but the Pi LEDS are acting weird.
>>>
>>> Red power LED is on the green LED next to it blinks off and on about 12
>>> times.
>>> The red LED then turns off and back on. The cycle repeats it's self over
>>> and over as long as the node is powered.
>>>
>>> Anyone ever seen this or is there something significant about the LED
>>> cycling? Watchdog indicator or ???
>>> I Just built up another RPi3 this evening and it doesn't do this.
>>>
>>> Larry - N7FM
>>>
>>>
>>> _______________________________________________
>>>
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>>>
>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>
>>> _______________________________________________
>>
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>>
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>>
>>
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>
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