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 <[email protected]>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 <[email protected]>wrote: >> >>> Yes I get that. >>> >>> >>> On Thu, Mar 6, 2014 at 10:14 AM, Gerald Coley <[email protected]>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 <[email protected]>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 >>>>> <[email protected]>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 >>>>>> <[email protected]>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 <[email protected] >>>>>>> > 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 < >>>>>>>> [email protected]> 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 [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 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 >>>>>>>> [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. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> 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 [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. >>>> >>> >>> >>> >>> -- >>> 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 [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.
