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→MCP23017 pins
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===MCP23017 pins===
===MCP23017 pins===
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+The pins on the MCP23017board are connected to the pins on the encoder. Quite how they are presented is dependent on your board and what connectors it provides. A multi meter can be very useful for reassuring yourself that the actual pin on the IC is connected to the pin, whatever the labeling may say. People do make this sort of mistake and electrons don't read, they just follow electric fields .
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