Maybe you can still go to the Astrodome - the eighth wonder of the world! On Thursday, March 6, 2014 10:57:57 AM UTC-5, Gerald wrote: > > Houston! Us folks in this part of the state try to stay away from Houston! > > Actually I have spent a lot of time over the years in Houston. Been to a > few Astros games as well. > > > Gerald > > > > On Thu, Mar 6, 2014 at 9:55 AM, Matthew Witherwax > <able...@gmail.com<javascript:> > > wrote: > >> Next time you are in Houston, coffee is on me! >> >> >> On Thursday, March 6, 2014 9:28:06 AM UTC-6, Gerald wrote: >> >>> That is my secret. I don't need coffee! The inside story is that I am >>> always here. I have no life! >>> >>> Gerald >>> >>> >>> >>> On Thu, Mar 6, 2014 at 9:25 AM, Eric Palmer <er...@ericfpalmer.com>wrote: >>> >>>> Yes I get that. >>>> >>>> >>>> On Thu, Mar 6, 2014 at 10:14 AM, Gerald Coley >>>> <ger...@beagleboard.org>wrote: >>>> >>>>> I am not sure how to take that!Not sure if it is luck >>>>> or something else. >>>>> >>>>> Gerald >>>>> >>>>> >>>>> >>>>> On Thu, Mar 6, 2014 at 9:12 AM, Eric Palmer <er...@ericfpalmer.com>wrote: >>>>> >>>>>> Awesome >>>>>> >>>>>> Gerald we are lucky to have you on this mail list and be >>>>>> participating so much. >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> On Thu, Mar 6, 2014 at 10:09 AM, Gerald Coley <ger...@beagleboard.org >>>>>> > wrote: >>>>>> >>>>>>> Yes you can do that Use the 3.3V to enable the regulators. >>>>>>> >>>>>>> Gerald >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Thu, Mar 6, 2014 at 9:03 AM, Matthew Witherwax <able...@gmail.com >>>>>>> > wrote: >>>>>>> >>>>>>>> Thanks Gerald. That is exactly the response I was expecting and >>>>>>>> exactly the feeling I had. Never really like playing Russian roulette >>>>>>>> myself. Do you see any issue with powering the sensors via a voltage >>>>>>>> regulator like http://www.pololu.com/product/2098 that can be >>>>>>>> turned on via a pin on the BBB once it is up and running? >>>>>>>> >>>>>>>> >>>>>>>> On Thu, Mar 6, 2014 at 8:58 AM, Gerald Coley < >>>>>>>> ger...@beagleboard.org> wrote: >>>>>>>> >>>>>>>>> I put that in there for a reason. It may not happen all the time, >>>>>>>>> but eventually you could blow up the processor. >>>>>>>>> >>>>>>>>> Gerald >>>>>>>>> >>>>>>>>> >>>>>>>>> On Thu, Mar 6, 2014 at 8:56 AM, Matthew Witherwax < >>>>>>>>> able...@gmail.com> wrote: >>>>>>>>> >>>>>>>>>> As part of the Control of Mobile Robotics class offered through >>>>>>>>>> Cousera, the students are building robots based around the >>>>>>>>>> BeagleBone >>>>>>>>>> Black. The robot has 5 infrared distance sensors and 2 reflectance >>>>>>>>>> sensors >>>>>>>>>> used for odometry. These sensors are connected via voltage dividers >>>>>>>>>> to >>>>>>>>>> pins 33, 35, 36, 37, 38, 39, and 49 of P9, and are powered from the >>>>>>>>>> same >>>>>>>>>> power supply used to power the BeagleBone Black. The System Manual >>>>>>>>>> has a >>>>>>>>>> rather explicit warning: >>>>>>>>>> >>>>>>>>>> NOTE: DO NOT APPLY VOLTAGE TO ANY I/O PIN WHEN POWER IS NOT >>>>>>>>>> SUPPLIED TO THE BOARD. IT WILL DAMAGE THE PROCESSOR AND VOID THE >>>>>>>>>> WARRANTY. >>>>>>>>>> NO PINS ARE TO BE DRIVEN UNTIL AFTER THE SYS_RESET LINE GOES HIGH. >>>>>>>>>> >>>>>>>>>> My concern is the current arrangement would allow the sensors to >>>>>>>>>> begin driving the pins before the SYS_RESET line goes high; however, >>>>>>>>>> I am a >>>>>>>>>> software guy just starting down the hardware path. Thus far many in >>>>>>>>>> the >>>>>>>>>> class have been using the robot without issue. Is my concern >>>>>>>>>> invalid? >>>>>>>>>> >>>>>>>>>> Thank you for your time. >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> 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...@googlegroups.com. >>>>>>>>>> >>>>>>>>>> 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 a topic in >>>>>>>>> the Google Groups "BeagleBoard" group. >>>>>>>>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>>>>>>>> topic/beagleboard/_5Puwswy-RQ/unsubscribe. >>>>>>>>> To unsubscribe from this group and all its topics, send an email >>>>>>>>> to beagleboard...@googlegroups.com. >>>>>>>>> >>>>>>>>> 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 beagleboard...@googlegroups.com. >>>>>>>> >>>>>>>> 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 beagleboard...@googlegroups.com. >>>>>>> >>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Eric Palmer >>>>>> >>>>>> -- >>>>>> 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...@googlegroups.com. >>>>>> >>>>>> 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 beagleboard...@googlegroups.com. >>>>> >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> >>>> >>>> -- >>>> Eric Palmer >>>> >>>> -- >>>> 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...@googlegroups.com. >>>> >>>> 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 beagleboard...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > >
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