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16 Port Expander: SPI MCP23S17 Maximize

16 Port Expander: SPI MCP23S17

Add 16 more pins that are accessible using SPI easily with this chip. Arduino and Raspberry Pi Compatible

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Tinkersphere

TS1100

$3.29

Addding 16 more pins to your microcontroller is easy using this 16 port expander chip. Just communicate to the chip via 2 pins using the standard SPI protocol and you'll have an additional 16 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:

  • Quickly turn 2 pins into 16!
  • Operating Voltage: 1.8V - 5.5V
  • Communication Protocol: SPI
  • Raspberry Pi and Arduino Compatible
  • Manufacturer Part Number: MCP23S17