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.
- 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
IO expander board – [Link]