I would not recommend shorting outputs of two processor together, something might get fried.
Gerald On Fri, Mar 11, 2016 at 9:27 AM, Jordi Segura <jord...@gmail.com> wrote: > Related to my unanswered problem below, main point I want to know is: > > Is it safe to connect directly the same Tx external signal simultaneously > to a couple of BBs ? > > Cheers, > Jordi > > El dilluns, 7 març de 2016 0:11:32 UTC+1, Jordi Segura va escriure: >> >> My BBGreen got fried (when I power it up it just dims once the power led >> and that's all it does). >> >> >> Can someone explain me what I did wrong so it won't happen to me or >> others again? >> >> >> Explanation of what I did: The BBG died after several days working 24/7, >> powered up from a power supply 5V 2A, with an 3G usb dongle connected on >> it, and (maybe that's my fault ...) I connected the Tx output of another >> microcontroller to one Rx input of the BBG but also to one Rx input of a >> BBB (I had both the BBG and the BBB receiving the same Tx signal from a >> third micro) >> The same power supply was powering both systems (BBG and BBB) and I also >> interconnected GNDs. The third micro sending the Tx signal was powered from >> the BBB. BBB is working well so far. >> >> >> Cheers. >> > -- > 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. > -- Gerald ger...@beagleboard.org http://beagleboard.org/ -- 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.
