I want to use PCA9615 because I have a lenght cable about 2 meter between my master and the I2C slave.
I have buy the kit sparkfun with PCA9615 and I try it with ethernet cable between the both.
This's don't work. My power supply is very noise. I see the SCL/SDA on the master side, but I see only on DSDA- and DSCL- signal. There's nothing on DSDA+ and DSCL+, and so nothong on the slave side.
Does the power noise can be the problem ? Or what ?
I'm not sure this's the best IC choise. I see also the PCA9605.