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The IO Pi Plus is a 32 channel MCP23017 GPIO expander for the Raspberry Pi

09/07/2015

Posted by:
wizard

Does anyone know what are thread size in order to connect the boards? M2 or M3?

09/07/2015

Posted by:
andrew

The spacers are an M2.5 thread.

RPi warnings regarding irq enable

IO Pi Plus bus pins #01 and #09 register activity but other pins dont

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