MCP23008_Keypad

The class library that will be used in this section and that needs to be imported is:

• MCP23008_Keypad (Author: Grant Phillips, Apr 2016, search: "mcp23008_keypad") - Class library for a 4x4 keypad connected to a MCP23008 I2C IO Expander.

The following example programs will demonstrate the principles of using a 4x4 keypad connected to a MCP23008 I2C IO Expander using the MCP23008_Keypad class library:  

• ex1_MCP23008_Keypad_simple
• ex2_MCP23008_Keypad_ConvertToInt
• ex3_MCP23008_Keypad_KeyHoldIn