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How to setup your DCC-EX EX-IOExpander on an Arduino Mega for use with your DCC-EX EX-CommandStation to connect 62 sensors per EX-IOExpander.
Elegoo Mega R3 Board: amzn.to/3VLBZ35
Breadboard Jumper Wires: amzn.to/4aiKCGU
9v 1.5a Arduino Power Supply: amzn.to/3U9jeFM
Reed Switch: amzn.to/3VR9UYg
5mm LED's: amzn.to/4aP0HnO
100 Ohm Resistors: amzn.to/3TQvWaZ
Software:
Ex-IOExpander software download (Free): dcc-ex.com/dow...
#modelrailroading #arduino #DCCEX #i2c