I am trying to make a circuit that turns a piston on for a few seconds and then quickly turns it off. The circuit is activated as soon as the daylight sensor starts giving signal.

1 Answer 1


This circuit does exactly what you want:

Remember to use the comparator to switch its mode.

Video Demonstration

  • 1
    Innovative solution! I thought of something that uses a monostable + pulse extender, but this only requires one comparator. Nice!
    – One 2 Many
    Commented Apr 27, 2021 at 5:33

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