This site works best with JavaScript enabled. Please enable JavaScript to get the best experience from this site.
The easiest way =
First, make something like this (make sure the repeaters is like this)
Then, put a redstone- torch in a corner,
when you remove the torch, it will flash really fast, if you want it slower, you just richclick the repeaters
try putting something like a door at the end
this is my first tutorial, tell me what you think