Month: October 2015

Add up to 128 Inputs, Outputs, or a mix to your Arduino or Raspberry Pi

The MCP23017 is a very useful chip. This I2C device can be wired for 8 unique addresses, and offers 16 inputs, 16 outputs, or 8 of each. A one stop chip for all needs. You can talk directly to the chip, or use widely available libraries to insulate your experience from the nitty gritty. Tronixstuff …

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