16 Port Expander: I2C MCP23017
$2.99
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Add 16 more pins that are accessible using I2C easily with this chip. Arduino and Raspberry Pi Compatible
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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 I2C 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: I2C
- Raspberry Pi and Arduino Compatible
- Manufacturer Part Number: MCP23017
TS-810
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Add 16 more pins that are accessible using I2C easily with this chip. Arduino and Raspberry Pi Compatible