EP 3 - We build a new controller using an Arduino & DCC-ex. Will it replace my current controller?

Let's learn together - DCC Command Station (DCC model railway with Arduino 1)

Let's learn together - DCC Decoder! (DCC model railway with Arduino 3)

Let's learn together - DCC Booster! (DCC model railway with Arduino 2)

Let's learn together - Turnout decoder for DC motors, #2! (DCC model railway with Arduino 11)

Model train with DCC control using Arduino and DCC++