[beagleboard] Re: BBB power led blinking, revived after several power button presses

2018-10-22 Thread k90959
Mine died just now and was powered by roboticscape with 2S lipo and USB. Cape is okay, BBB deadbit miffed about this... No possible DIY repair ? -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleB

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-21 Thread Dennis Cote
On Monday, January 26, 2015 at 12:56:31 PM UTC-7, mjc wrote: > The BeagleBone Black & BlueSteel Basic seem to be extremely sensitive to the rise time of the 5V power supply at startup. > 1 ms or longer is a problem, and it is not at all unusual for power supply to be slower than this.

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-21 Thread Gerald Coley
No, ger...@beagleboard.org Gerald On Tue, Jul 21, 2015 at 11:48 AM, Alan Rosenbloom wrote: > OK - great!. For a direct email, is your address mtdsand...@gmail.com? > > Alan > > On Mon, Jul 20, 2015 at 9:57 PM, Gerald Coley > wrote: > >> That is a long email. Send me a direct email, and at som

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-21 Thread Alan Rosenbloom
OK - great!. For a direct email, is your address mtdsand...@gmail.com? Alan On Mon, Jul 20, 2015 at 9:57 PM, Gerald Coley wrote: > That is a long email. Send me a direct email, and at some point we can > have a discussion. > > Gerald > > > On Mon, Jul 20, 2015 at 6:36 PM, Alan Rosenbloom > wro

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-20 Thread Gerald Coley
That is a long email. Send me a direct email, and at some point we can have a discussion. Gerald On Mon, Jul 20, 2015 at 6:36 PM, Alan Rosenbloom wrote: > Gerald: I am super impressed that you would offer your valuable time to > help with not much in return than thanks. > > Background: I’m dev

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-20 Thread Alan Rosenbloom
Gerald: I am super impressed that you would offer your valuable time to help with not much in return than thanks. Background: I’m developing a complicated prototype and I am new to embedded systems. I was fairly frustrated that I could not “just hook things up” and have them at least not destroy t

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-18 Thread Gerald Coley
If you do not use it properly, it will be damaged. That applies to every electronic circuit ever designed. I would have stopped using the circuitry after the second try. I would be happy to look at your circuit and see if I can identify what the issue might be. Gerald On Fri, Jul 17, 2015 at 10

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-18 Thread rosenbloomaj
Gerald: I have 2 BBBs that will give a single brief flash of the power LED when the power button is pushed, as described by others. It will not sustain the power LED on nor boot up. When I power it from the barrel connector (Adafruit regulated 5v power source / AC to DC 5v 2A) while on a digita

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-07-18 Thread rosenbloomaj
I now have 4 damaged or dead BBBs. On this last board (Element 14), I had only a stepper motor driver board connected (Pololu DRV8834), and nothing else. The DRV8834 was initially drawing power from the VDD5v on the BBB. The BBB "blacked out" twice while nothing was happening and while connected

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-06-11 Thread Gerald Coley
The flashing LED indicates excess current is being drawn by the processor. This can be related to damaged I/O pins or power supplies that are not well regulated.. Gerald On Thu, Jun 11, 2015 at 4:38 PM, wrote: > I have the same issue, already 3 boards has died. > any solution, i tried to use o

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-06-11 Thread ahadachm
I have the same issue, already 3 boards has died. any solution, i tried to use optoisolator/pwm and noting. the BBB is a bad board. Le mercredi 25 février 2015 18:03:24 UTC+1, mdtsa...@gmail.com a écrit : > > Identical problem this morning: BBB boots fine when powered by USB, but > not when po

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-27 Thread alvin2038
I have been having this same issue where the LED blinks once when 5V DC power is applied. I would have to plug and unplug the DC adapter pin, or press the power button several times before the LED holds steady and the BBB boots. No such problems if powered by USB. I have been working with my lo

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-04 Thread estefania desiree avalos rivera
The doctor I'm working with at the University declared it fried and gave me a white board, he degrade me :( I was testing the eQEP and I had divisor resistors protecting GPIO but he said because impedance, it fried the processor 2015-03-04 14:10 GMT-06:00 David Crawford : > I tried the listed fi

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-04 Thread estefaniadesiree . avalosrivera
Hi, How many time did you pressed the power button to get it on? did you only connect the 5vdc power supply or also the Usb cable to computer? I'm having the same issue I tried what it says here: http://elinux.org/Beagleboard:BeagleBone#Board_Does_Not_Power_On.2C_Power_LED_Flashes.5BAll_Revision

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-04 Thread David Crawford
I tried the listed fixes and did not get anything to work. I tried flashing, using different power sources. In the end, I decided to switch my system over to use a Rasp Pi 2. The BeagleBone is in a box and I do not plan on using it again. Hope you figure something out! I just didn't want to waste

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-04 Thread David Crawford
The power supply I bought is from AdaFruit, which I expected to be well suited to my BBB. I haven't yet tried booting from an SD card, so I'll do that this evening. On Thursday, February 26, 2015, Gerald Coley wrote: > I suggest you switch to a \different power supply. A good one. > > > http://

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-03-02 Thread David Crawford
I tried booting from an SD Card and got nothing. I tried a different power supply, and it won't boot. Really not happy with the BBB as I've only used it a handful of times. It died after I pressed the Reboot button, which I now know can cause it issues. I think I'll buy the RPi2 and not mess arou

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-26 Thread Gerald Coley
I suggest you switch to a \different power supply. A good one. http://www.elinux.org/Beagleboard:BeagleBoneBlack#Improper_Power_DownAll_Revisions Gerald On Wed, Feb 25, 2015 at 7:38 PM, wrote: > My Rev C BBB purchased from Adafruit just died on my in the exact same > way. I can't get it t

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-26 Thread Mike Traynor
Have you tried booting from an SD card? On Wed, Feb 25, 2015, 17:38 null wrote: > My Rev C BBB purchased from Adafruit just died on my in the exact same > way. I can't get it to boot at all whether connected to USB or 5V power > supply. > > > > On Wednesday, February 25, 2015 at 2:02:07 PM UTC-5

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-26 Thread crawford006
My Rev C BBB purchased from Adafruit just died on my in the exact same way. I can't get it to boot at all whether connected to USB or 5V power supply. On Wednesday, February 25, 2015 at 2:02:07 PM UTC-5, Mike Traynor wrote: > > Thx. Will try another PS if I can find one. Otherwise will have t

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-25 Thread Mike Traynor
Thx. Will try another PS if I can find one. Otherwise will have to stick with USB for now. M. On Wed, Feb 25, 2015 at 9:07 AM, Gerald Coley wrote: > I have seen this before. The USB path and 5VDC paths are different through > the PMIC. It is possible that the PMIC has sustained some damage or

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-25 Thread Gerald Coley
I have seen this before. The USB path and 5VDC paths are different through the PMIC. It is possible that the PMIC has sustained some damage or it could be the 5VDC power supply is not powering up properly, where it has a voltage spike, causing the PMIC to shutdown. Past performance of power suppli

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-02-25 Thread mdtsandman
Identical problem this morning: BBB boots fine when powered by USB, but not when powered by a 2.0 mA rated 5.0 V DC power supply (nicked from some other device). BBB power LED blinks continuously. This power supply has worked with this BBB in the past. Mike. On Friday, January 23, 2015 at 8

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-01-28 Thread Kiwi
Hi, there, I also have the power problem in my two Beaglebone black, Rev C. One of my BBB totally die out and no any led turn on when the power was plugged in no matter from usb or DC jack. The other one just have the power led flashing once. I have disabled the HDMI in Env.txt and use six p

Re: [beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-01-26 Thread Dr. Michael J. Chudobiak
http://beagleboard.org/getting-started. I was happy to see, the programs on the website worked just fine on my board. Thus, I was able to conclude that strangely, my BBB board didn't like 5V external power source! The BeagleBone Black & BlueSteel Basic seem to be extremely sensitive to the ris

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2015-01-26 Thread 1127saroj
I had a similar problem- my power LED would just continue blinking when connected to a 5V power source. This meant there was something wrong. First, I checked if my BBB was still alive. To find that, I connected my board to a computer via USB. Surprisingly, this time power LED turned on normal

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2014-12-29 Thread tcbetka
> > Very interesting thread, as this is exactly what has happened to me...with > TWO RevC units now. The first unit died about 6 weeks ago, while just > sitting on a wooden desk, powered by an external 5v power supply purchased > (as was the BBB) from Adafruit. So I ordered another unit from Ad

[beagleboard] Re: BBB power led blinking, revived after several power button presses

2013-11-22 Thread M Robinson
Last ditch: connect 3.7V (or similar) to the battery pins (TP6 3.7V, TP8 gnd), and see if it boots up. My 5V 1.2A switching PS can barely handle my board, but the battery is good enough to handle the bursts without driving the P/S into over-current protection (cutoff). My Li-Po has managed to st