D13 is not limited to an output only as thought my Msquare:
"I thought from this (and some other stuff done previously) that all pins start as INPUT (re)boot, except #13 because of its LED wiring basically only is usable as OUTPUT."
D13 is not limited to an output only as thought my Msquare:
"I thought from this (and some other stuff done previously) that all pins start as INPUT (re)boot, except #13 because of its LED wiring basically only is usable as OUTPUT."