| ▲ | cozzyd a year ago | |
SO (MISO) should generally be high impedance if not selected... I suspect this causes SO to always output the same value and the Ethernet controller must expect some magic | ||
| ▲ | nick__m a year ago | parent [-] | |
Thanks you for refreshing my memory, I learn about that in college twenty-something years ago but never used that knowledge! | ||