Controlling LEGO Trains with Arduino

The LEGO Group has its own mechanical system, the Power Functions system. Power Functions are a system of motors and lights that are made by LEGO and are used to power and control such projects as dinosaurs, bulldozers and trucks. There is also a thriving train community that uses LEGO trains to create large, ornate multi-train layouts that run through LEGO cities and towns crowded with buildings and people as they go about their LEGO lives. Like the other Power Functions creations, the trains are controlled remotely to tell each train which direction and how fast to travel.

The LEGO Power Functions ...

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