IO expander board

https://www.electronics-lab.com/io-expander-board/

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 […]