Thanks for the answer. Today were added two capacitor of .1uF and 10uF in power line to beaglebone. System is testing about 4 hours and works fine (all weekend will be testing)
El jueves, 9 de febrero de 2017, 18:38:37 (UTC-3), Gerald escribió: > > It needs to be steady at 5V. 4V is not going to work very well. You can > try adding some bulk capacitance across the connections. Maybe 10uF to 20uF > and add a 0.1uF as well.. > > Gerald > > On Thu, Feb 9, 2017 at 3:30 PM, felipe robles <electr...@gmail.com > <javascript:>> wrote: > >> >> <https://lh3.googleusercontent.com/-JEmDAWK-Rgc/WJzfPlDrkQI/AAAAAAAAKHI/_iT3bhBTQ4ctMziopdZwB6440ozQnCY-QCLcB/s1600/BBGW_power.jpg> >> >> >> <https://lh3.googleusercontent.com/-JEmDAWK-Rgc/WJzfPlDrkQI/AAAAAAAAKHI/_iT3bhBTQ4ctMziopdZwB6440ozQnCY-QCLcB/s1600/BBGW_power.jpg> >> Hello Gerald. >> >> DC-DC converter is stable at five volts in almost time, but there are >> some events that looks like this picture. (voltage is under 4 volts.) >> >> >> >> >> >> El jueves, 9 de febrero de 2017, 17:32:15 (UTC-3), Gerald escribió: >>> >>> 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 <electr...@gmail.com> >>> 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 >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to beagleboard...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/beagleboard/ccec63ab-0ada-4b22-9a28-630c6e480a2c%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/beagleboard/ccec63ab-0ada-4b22-9a28-630c6e480a2c%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>>> >>>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to beagleboard...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/beagleboard/551508dd-f5d2-4c8a-a6ba-8b056a3ae8c8%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/beagleboard/551508dd-f5d2-4c8a-a6ba-8b056a3ae8c8%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Gerald >>> >>> ger...@beagleboard.org >>> http://beagleboard.org/ >>> gco...@emprodesign.com >>> >>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/5b6a6a23-295c-41b0-9ba6-dad139f7712d%40googlegroups.com >> >> <https://groups.google.com/d/msgid/beagleboard/5b6a6a23-295c-41b0-9ba6-dad139f7712d%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Gerald > > ger...@beagleboard.org <javascript:> > http://beagleboard.org/ > gco...@emprodesign.com <javascript:> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/8c488c84-07dd-495a-bdf7-5bf9b1ba6fa1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
