Use this as the hardware interface for a LiquidCrystal2 instance which will drive the LCD over the MCP23018.
- LiquidCrystal2 library
- MCP23018 library
Hardware interface layer to enable Arduino driving an LCD over MCP23018 I/O expander
C
Use this as the hardware interface for a LiquidCrystal2 instance which will drive the LCD over the MCP23018.