Hello, I want to use the ESP32 in conneection with the MCP23017 port expansion via the I2C Bus. From the internet I got some input for the connections which has to be used: Vdd - 3.3V Vss - GND SCL - GPIO 22 and 3.3V via 2.1k pullup SDA - GPIO 21 and 3.3V via 2.1k pullup A0 - GND A1 - GND A2 - GND R...