My understanding, if I read the rules correctly (and on the correct server), is that circuits which are active for extended periods of time aren't allowed as that's server resources that could be used elsewhere. My designs will only work temporarily, and after user input because of this.
What if you linked your pistons to a sunlight detector to only fire once or twice a day?
What if you linked your pistons to a sunlight detector to only fire once or twice a day?