Roco Z21 Implementation for Arduino Based on the excellent work of Philipp Gahtow's C++ XPressNetLib for Arduino Published with written permission as of 17th of Feb. 2015.
Requirements Arduino Mega (may run on Arduino Uno too, but seems to have a stack size problem ...) Libraries: -) XPressNetLib by Philipp Gahtow -) syslog by Markus Heller