Is it exactly 5V? How much ripple is there on the 5V supply? What is the
power source for the DC DC converter?

Gerald


On Thu, Feb 9, 2017 at 2:21 PM, felipe robles <[email protected]>
wrote:

> Hello Wulf
>
> My beaglebone is powering in P9_5 and P9_6 pins from DC DC converter that
> supplies 5V from battery (charger controller).
>
>
> El jueves, 9 de febrero de 2017, 17:09:59 (UTC-3), Wulf Man escribió:
>
>> looks like a power glitch. how are you powering this?
>>
>> On 2/9/2017 12:08 PM, felipe robles wrote:
>>
>> Hello folks
>>
>> My name is Felipe and I looking for solution or some hint to my newest
>> problem.
>> I got a BBGW running BeagleBoard.org Debian Image 2016-11-06. My project
>> is get many measurements from differents sensors like conductivity,
>> dissolved oxygen, and others. and put this values into web server using
>> mobile broadband. The problem is that system is shuting down. I looking in
>> log files I don't get many information. the most relevant information that
>> i got is in /var/log/auth.log and says.
>>
>> Feb  9 11:06:01 beaglebone CRON[1050]: pam_unix(cron:session): session
>> opened for user root by (uid=0)
>> Feb  9 11:06:03 beaglebone CRON[1050]: pam_unix(cron:session): session
>> closed for user root
>> Feb  9 11:07:33 beaglebone login[574]: pam_unix(login:auth): check pass;
>> user unknown
>> Feb  9 11:07:33 beaglebone login[574]: pam_unix(login:auth):
>> authentication failure; logname=LOGIN uid=0 euid=0 tty=/dev/ttyGS0 ruser=
>> rhost=
>> Feb  9 11:07:36 beaglebone login[574]: FAILED LOGIN (1) on '/dev/ttyGS0'
>> FOR 'UNKNOWN', Authentication failure
>> Feb  9 11:08:01 beaglebone sshd[1107]: Accepted password for debian from
>> 192.168.7.1 port 37207 ssh2
>> Feb  9 11:09:01 beaglebone CRON[1153]: pam_unix(cron:session): session
>> opened for user root by (uid=0)
>> Feb  9 11:09:03 beaglebone CRON[1153]: pam_unix(cron:session): session
>> closed for user root
>> Feb  9 11:09:23 beaglebone systemd-logind[357]: Power key pressed.
>> Feb  9 11:09:23 beaglebone systemd-logind[357]: Powering Off...
>> Feb  9 11:09:23 beaglebone systemd-logind[357]: System is powering down.
>>
>>
>>
>> my system have a  beaglebone green wireless, 1 PCB that feed  beaglebone
>> from charger controller that connect to battery and power supply.
>>
>> Thanks for your attention
>> Regards
>> Felipe
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-- 
Gerald

[email protected]
http://beagleboard.org/
[email protected]

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