The Ethernet library toggles the state of the SS pin. Grounding it is NOT a good idea. It is an OUTPUT pin, so grounding it creates a short circuit when it is set HIGH.
Pin 10 is used to set the SPI bus as master, too.
The Ethernet library toggles the state of the SS pin. Grounding it is NOT a good idea. It is an OUTPUT pin, so grounding it creates a short circuit when it is set HIGH.
Pin 10 is used to set the SPI bus as master, too.