8 Port Expander: SPI MCP23S08
Add 8 more pins that are accessible using SPI easily with this chip. Arduino and Raspberry Pi Compatible
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Add 8 more pins that are accessible using SPI easily with this chip. Arduino and Raspberry Pi Compatible
Addding 8 more pins to your microcontroller is easy using this 8 port expander chip. Just communicate to the chip via 2 pins using the standard SPI protocol and you'll have an additional 8 pins that can be inputs, outputs, inputs with a pullup or open drain! Great when your project requires more I/O pins than you have on your Arduino or Raspberry Pi microcontroller.
Specifications: