How about an LED with a series resistor from 3.3V to ground? Pin 9-3 or Pin 9-4. If the BBB is powered up, there is 3.3V there. If the BBB has no power, there is not 3.3V there?
--- Graham == On Saturday, March 7, 2015 at 3:05:02 PM UTC-6, Walker Archer wrote: > > I wasn't really considering a light pipe because the case is fairly large >> (8"x8"x4") and full of stuff to get around. It will need to be fairly >> visible in direct sunlight as well. I see that Mouser has a 6" flexible >> light pipe that might work... although I'm not sure how I'd keep it >> attached to the LED. >> > > Although I acknowledge the simplicity of a mechanical solution I guess in > this case I'd prefer an electronic one. > >> >> > -- 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. For more options, visit https://groups.google.com/d/optout.
