Button and LED Board

The KL-MCP23017 Button Board is an eight button, eight LED IO board base on the Microchip MCP23017 I/O Expander 

Circuit Diagram


  The KL-MCP23017-E/SP is an I/O Expander Board with eight LED's on Port A and eight Buttons on Port B.  Jumbers placement is available to Set board I2C device address.

Button/LED Board is base on Microchip MCP23017 I2C 16-Bit I/O Expander IC.