I’m using all 16 GPIO as outputs in my current project, but would like to have at least one, preferably two input buttons. I’m not using the RX,TX pins, but from what I’ve read on the forum I can’t change the use of these pins, is that correct ? It would also appear that I can’t “mess” with the mo…

Need more inputs! [Solved]

peekay123 September 7, 2014, 2:30am 4

@mala and @Moors7, a member recently asked for me to port a library for the MCP23017 I2C 16-port I/O expander. It can be found here:

Hopefully, that helps!

3 Likes

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