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by Vill
Wed Sep 10, 2014 8:38 am
Forum: Gaming
Topic: Pi B+ 40 pin GPIO how to use buttons and how many can I use?
Replies: 17
Views: 66868

Re: Pi B+ 40 pin GPIO how to use buttons and how many can I

You could use the SPI signals with the Microchip SPC23S17 16 bit I/O port expander chip. It has 2 interrupt outputs and can be programmed to generate interrupt on individual inputs. you allso have the possibility of configuring outputs maybe for leds, vibrator etc., and you have address selection if...

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