ESPHome, Home Assistant Integration, Sensors & ComponentsTCA9548A I2C Multiplexer with ESP32: Multiple Sensors at the Same AddressConnect eight I2C channels to an ESP32 with TCA9548A. Full ESPHome YAML for identical-address AHT20 sensors, Arduino channel scanning, 0x70–0x77 addresses, pull-ups, reset and troubleshooting. panakos23 September 2026