Extend GPIO pins? - Raspberry Pi Forums

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i'm new hardware sorry if dumb question. if want "extend" number of gpio pins on pi can use sort of logic chip , use chip type of switch send data specific output pins on chip?

yes. mcp23017 can used that. i'm sure there must other ways too, chap has done lot chip , written rest of us.

http://nathan.chantrell.net/20120519/ra ... -expander/


raspberrypi



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