testSDL_Pi_TCA9545.py doesn't work. Getting error Jun 6, 2021 15:47:08 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by SDL on Jun 6, 2021 15:47:08 GMT -8 I should have told you to do: "sudo i2cdetect -y 1" immediately. That will pick up the I2C interface issue. If it wired correctly.