What is the value of your pull up resistors on SCL and SDA? Gerald
On Wed, Jan 11, 2017 at 9:53 AM, George Faraj <georgemi...@gmail.com> wrote: > Both with the BBB and the BBBW I have been unable to detect any I2C > devices. both have Debian 8.6 images (the most recent one I believe). > > My device is properly wired with the CL going to P9_19 and DA going to > P9_20 and I used a multimeter to ensure its powered properly. > > I've tried all the I2C pins on the BBB and whenever I run i2cdetect -y -r > # (my i2xdetect-tools is the most recent) all I get is either a blank > matrix with a couple of UUs or a completely blank matrix. > > I am a beginner and I get the feeling that what I am missing is something > very basic, if anyone else has been having this issue please let me know > how you solved it! > > The i2c devices Ive tried are: HTU21D temp and humidity sensor, and an > ADS1015. > > > -- > 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. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/528f20c6-91dd-428f-9b54-df8e78405552%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/528f20c6-91dd-428f-9b54-df8e78405552%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Gerald ger...@beagleboard.org http://beagleboard.org/ gcol...@emprodesign.com -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAHK_S%2BeWVooeXqkLWymXO_4NbFRVSqSRikYMxyGkW9QmyMU2cw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
