1) I'm using the 3.3V pin, so the voltage is acceptable in p9_22. 2) What do you mean by setttings, the fields when I export the pin? Or the pin mode? I think mine are ok, what should they be?
3) I tried many applications, python scripts, c scripts, minicom... On 5 November 2013 05:26, Maxim Podbereznyy <lisar...@gmail.com> wrote: > 1) I would place a voltage translator or a simple voltage divider based on > two resistors to reduce 5 volts to the acceptable 3.3V. > > 2) check the pinmux settings for that pin > > 3) what terminal application do you use to read data? Check the serial > port parameters and don't forget to disable the hardware flow control if any > 05 нояб. 2013 г. 3:55 пользователь "Gustavo Oliveira" < > gustavo.pinho...@gmail.com> написал: > >> Hi, thank you for quick reply, >> I'm using a BeagleBone and Ubuntu 12.04. >> >> I have the TX connected to p9_22, which is uart2 RX. >> >> On Monday, November 4, 2013 7:38:06 PM UTC, lisarden wrote: >>> >>> hi! >>> >>> what board do you use and what OS? >>> >>> your datasheet says that VCC is +5V and the TX pin also work in 0-VCC >>> range. If you use beaglebone it accepts only 3.3V, however there can be >>> options >>> >>> >>> 2013/11/4 Gustavo Oliveira <gustavo....@gmail.com> >>> >>>> Hello, >>>> I'm trying to read from a LV-Maxsonar-EZ0 using the serial interface. >>>> >>>> I have connected the wires correctly and I have placed an overlay in >>>> uart2. >>>> The problem is the data I'm reading from the sensor. I can only get >>>> garbage, but its not completely wrong because the data changes according to >>>> the distance to obstacle. >>>> >>>> The datasheet for the sensor can be found here: >>>> datasheet<http://www.maxbotix.com/documents/MB1000_Datasheet.pdf> >>>> . >>>> >>>> I searched google for a day and couldn't find anything... >>>> Someone posted in a raspberry pi forum that the problem is the meaning >>>> of 1s and 0s, but I changed active_low to 1 and I got the same. >>>> >>>> I'm not very proficient with electronics, so I might take some time >>>> following instructions. >>>> Nonetheless all the help will be welcome. >>>> >>>> -- >>>> 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. >>>> >>> >>> >>> >>> -- >>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>> Company - http://www.linkedin.com/company/mentorel >>> Facebook - https://www.facebook.com/mentorel.company >>> >> -- >> 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/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/gOK8R4_mRzw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > beagleboard+unsubscr...@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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
