RGB LCD I2C Adafruit 5 Button shield


#21

It should detect it automatically, if you look at the Arduino IDE example, there is no i2c address configuration

I’ll still see if it can be set to 0x20


#22

Address is defined in Adafruit_MCP23017.h

...............................
};

#define MCP23017_ADDRESS 0x20

// registers
#define MCP23017_IODIRA 0x00
#define MCP23017_IPOLA 0x02