Modified Arduino Ethernet/w5100 library to support user defined slave select pin I have a project using a Moteino radio and Ethernet shield, but they both use D10 for the Slave Select. SurferTim ...

Inside this new directory, add a new file named pins_arduino.h by copying it from Standard Directory. This file includes digital pins ... change for SS, MOSI, MISO, SCK, SDA and SCL as per ATmega32 ...

Enter the ExtraCore library for Arduino, a software library that turns two or more Arduinos into a multi-core microcontroller with more pins than you’ll ever need.