The 74HC595 shift register provides 8 outputs from the use of only three digital pins on an Arduino. Multiple 74HC595 shift registers can be chained together, and still only consume three digital pins ...

This node is based on a Arduino Nano and will control 1 turnout and 3 signal heads from a JMRI CMRI Node connection and also read 5 sensors and report back. I use a baurd rate of (9600) if you use a ...

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...