I can't say. I would need to see a schematic of how it was all wired up. Gerald
On Thu, Dec 12, 2013 at 6:54 PM, Ian Kidd <[email protected]> wrote: > I'm completely willing to take responsibility, but would connecting the > logic directly to the pins I describe on a 74LS164 overvoltage the header? > As far as I can tell, it should just take the High from the pins and drain > to the GND on the chip. > > > On Thursday, December 12, 2013 5:39:27 PM UTC-7, Gerald wrote: > >> Sounds like you popped something. RMA is your best option. >> http://beagleboard.org/Support/RMA >> >> Also check http://www.elinux.org/Beagleboard:BeagleBoneBlack# >> Expansion_Header_Usage to make sure you followed the rules for using the >> expansion headers. >> >> Gerald >> >> >> >> On Thu, Dec 12, 2013 at 6:00 PM, <[email protected]> wrote: >> >>> I was working on running a shift register, had P8_07 through P8_10 >>> hooked up to the DATA, LATCH, CLEAR, and CLOCK ports of a 74LS164, then a >>> couple of the outputs over to a ULN2803 to run LEDs. I'm not sure when it >>> died, it had lights on when I moved over to the Cloud9 browser, then when I >>> couldn't get a response from Cloud9 after some coding, it was black. >>> >>> I've been using a 5V bench supply but I've tried it with the USB plug, >>> and a wall wart running 5V. All I get is a quick flash on the power LED >>> and then blank. If I hit the Power button, the LED flashes for a split >>> second again, then blank. I've taken out the SD card, removed the wireless >>> mouse dongle, nothing. Hold down the power or boot buttons and plug in, >>> nothing. >>> n >>> I can't see any burned components, nor do I smell anything burned on the >>> board. Is it done for, and did I do it, given that fairly innocuous >>> circuit? >>> >>> -- >>> 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/groups/opt_out. >>> >> >> -- > 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/groups/opt_out. > -- 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/groups/opt_out.
