Put an oscilloscope on the power input while you are doing all this. If the Voltage goes above 5.5 or below 4.5 on a transient basis, the BBB on board power supply will shut down. I am suspecting that your power supply does not have good transient regulation. --- Graham
== On Friday, December 4, 2015 at 10:35:19 PM UTC-6, ril3y wrote: > > Hey Everyone. > > > I need to use the 5v rails for about 300-400 miliamps so after doing a > bunch of reading I found out that I could pull this from the 5v rail IF I > used an external power adapter. > > I found one on amazon and got it here today. Its 5v @3 amps. I check it > out and it looks to be about at 5.25V. Here is a video of what is > happening. > https://goo.gl/photos/4fnzHVykRxVvgosB7 > > It looks like it turns on.. the user leds light up then everything just > fails. I am not sure what the issue is. I have tried 2 different BBB's > and both exhibit the exact same behavior. > > Thanks everyone. > > Riley > -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
