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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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Maximize 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
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