Hello Phillip, El 3/1/19 a las 21:16, Philip Manuel escribió: > Hi, > > I've added the following parameters to /boot/cmdline.txt > > i2c_arm=on i2c1=on i2c0=on > > but I get no /dev/i2c* entries, but dmesg shows > > i2c /dev entries driver > > What am I missing ? We need a little more info, right now I can think of 1) which device? 2) which CentOS version? 3) if it is a raspberry pi, generic kernel or rpi kernel? Pablo.