IO Expander Board

  • Rajkumar Sharma
  • 8105
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  • easy
  • Tested

C042

 

I/O Expander Board offers a convenient way to interface upto 16 I/O pins in your project using SPI/I2C bus.  This kit uses the famous MCP23S17 IO chip from Microhip.

Specifications

  • Supply sourced through the interfacing Box Header connector
  • The kit has 2 separate Box Header type connector for the 16 pins of I/O port and 1 Box Header for interfacing of the PCB with the host controlling circuit
  • Jumper selectable address option is also available for this kit
  • Four mounting holes 3.2 mm each
  • PCB dimensions 58 mm x 54 mm

Schematic

C042

 

Parts

C042 BOM

PCB

Downloads

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