// Output pins used: 3-19 (14-19 = A0-A5). Pin is LOW when Function is ON. // The DCC signal is fed to pin 2 (=Interrupt 0). // Optocoupler schematics for conversion ...

When constructing my dcc based train model, I looked for dcc decoder to pilot light (SMD 0402, or standard led), but had difficulty to program them for custom scenario (blinking, road works style, …).

This article will help you build a simple Arduino-based DCC system. Growing up in the 1980s I was living the dream. I had an HO layout on a 4 x 8 sheet of plywood in my parents' basement in Reading, ...