2 Minute Hidden Cave

This is going to demo using the rails block, this allow one machine to run along a rail. In this case I’m using it to create a secret opening to a cave

Link

So that’s great (he says modestly) but pushing things along rails can get boring fast. So can you power the rail so that it can move on its own?

I wouldn’t have asked the question if you couldn’t, so here’s the video

Link

So a rail can be controlled not only by a button directly but remotely using antennas, which is, if I’m honest, much more useful.

You saw there was an addition/subtraction block. This is because a positive signal will move the rail one way, and a negative signal the other way

addSubtractWithAntennas

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