Talk:Sequencer/@comment-5429934-20120820221912/@comment-70.192.28.157-20121212023747

For the piston-stopper design, use a sticky piston pushing/pulling an opaque block in front of the sequencer, with a repeater leading out as an output. Take away the opaque block with the piston, and any redstone output from the sequencer goes nowhere. Put back in to turn the sequencer back on.