Fix for Broken Arduino libraries due to implementaion of commonly used GPIO constants, issue #98#99

Merged

oclyke merged 2 commits intosparkfun:masterfrom

frinkahedron:master

Dec 23, 2019

Commits on Dec 12, 2019

Adding abstraction for Arduino pin modes to maintain compatibility with 3rd party libraries
frinkahedron
committed
updated ACKNOWLEDGEMENTS.md
frinkahedron
committed