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I want to increase the analogue inputs for the Nano. So is it possible to hook up a CD74HC4067 analog multiplexer to it?

Thanks.

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    Yes, it is. Just follow one of the myriad of tutorials that show you how, or find plenty of questions on here that deal with it. – Majenko♦ Feb 1 '17 at 19:16
  • This answer discusses that exact chip. – cjs Apr 9 '17 at 23:59
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yes. those using IO expanders offers more flexibility.

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    IO expanders are for digital, not analog. – Majenko♦ Feb 2 '17 at 0:04

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