[youtube=http://www.youtube.com/watch?v=hnFyI0a-55s]

[Eric] was charged with the task of setting up the train to welcome people on the porch.  The train had been in the family for a long time, so he didn’t want to modify the train itself. Luckily, it has an IR port. He recorded the IR signal from the remote and used a home made pressure sensor to signal the train to start.