SparkFun Electronics Forum

Posted: **Thu Aug 03, 2017 4:30 pm**

I've written a new key input library that supports a special type of multiplexing that can scan 6 buttons using only 3 I/O pins, 10 buttons using 4 I/O pins, 15 buttons using 5 I/O pins, and so on. For more details, see my web page and video at:

Introducing KeyPlexLib (or, 'Wayneplexing' on Arduino Made Easy)

Wayne

Posted: **Wed Aug 09, 2017 12:39 pm**

Hi Wayne

This Library is nice. Thanks for informing me.

Ben

Gesendet von iPhone mit Tapatalk

Posted: **Fri Aug 18, 2017 6:31 pm**

Really a good one. Thanks for the input

SparkFun Electronics Forum

New Arduino Key Lib can Read 6 Buttons using only 3 I/O pins

New Arduino Key Lib can Read 6 Buttons using only 3 I/O pins

Re: New Arduino Key Lib can Read 6 Buttons using only 3 I/O

Re: New Arduino Key Lib can Read 6 Buttons using only 3 I/O