My selection of good tutorials on train control systems
These are arbitrary choices of simple systems.
DC Control Systems
TrainTonics Control 3 Locos remotely. – Link
DCC
WiThrottle – Free throttle
DCC EX – video of simple install
DCC-Ex – We site with documentation and support
Digital DCC Command Station – Missing Wiring diagram
Animation
A Bunza collection of scripts and tutorials – an excellent resource
Smartphone DC motor controller. – Must be reviewed.