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doors that automatically close however is a great idea.
And you need two. One for the button circuitry and one for the motion sensor circuitry. One is set to 0 while the other is set to 1 via a NOT gate and the they swap when water is detected.
Yeah sorry, I was in another project in my mind. And no, you don't need a seperate relay for the buttons. I just build directly on the door. As it will go up anyway there is no incentive in pressing it, and even if, another circuit resets everything so the door is back in the basic state.
How exactly did you solve disabling the buttons when automatic mode is enabled with a single relay?
I didn't disable, because there was no need. Everything I construct is done on a toggle basis. I almost never make "state" constructions, because they force you to go primitive or over engineering. Thus I just take two motion sensors, one that checks for people and one that checks for "no people". And if no people are arround the door closes seperatly. No need to let the motion sensor do all of the work. Makes it a lot more simple. I implemented the doors on my sub if you want to see how I solved it.
How is what what you are describing not over engineering?
What do you mean by "Let motion sensor do all the work"? Aren't having two motion sensors twice as bad?
Can you elaborate what you mean by that? It makes no sense because primitive/simple design is a contrast to an over engineered / complex design.
Also what you are describing doesn't solve the problem that someone in this thread mentioned. The whole point of the design I use is to have an override switch which toggles only when there is water, since during a breach you want to seal off rooms to prevent flooding or hostiles from accessing vital areas of the sub. But you still do not want to exclude the possibility to open those doors manually in order to be able to do field repairs.
During normal function, you want to move through the sub as fast as possible so the doors are only an obstruction - Thus they open automatically.
You probably mis-understood what @Paranoia meant and what I suggested as a solution.
This is not what I meant as doing that will keep the door closed ALL THE TIME when there is WATER. I hope I cleared up the confusion.
Also
There is some truth to the fact that you can solve this with one relay by simply having the buttons toggled on at all times. But since I am naturally a perfectionist I dislike the fact that you can spam open/close the doors and create a state conflict by pressing the button when the motion sensor wants to keep it open. Such design seems unfinished to me.
But if you want to save on parts, it doesn't hurt the functionality. What I am describing is just a mere annoyance.
We might have a language barrier here because most of what you are describing does not add up to how motion detectors work in the game.
There is no way that two motion detectors when you can use only one makes it cleaner. You are wasting components, resources and extending the complexity of the circuitry.
I think I already explained why. Here is my quote again:
I don't think the OR component plays any role here.
From what you are describing, you are doing exactly what I described in my last paragraph. You have two water detectors on both sides of the door wired up to an OR wired to a NOT wired to a relay which connects the motion sensor to the door. If water is detected on either side, the relays set state will be set to 0 and detector will be off.
This is EXACTLY what I described in my last paragraph and I also described why I do not like that, since, if the relay is on (There is no water) and you press the any of the buttons, you can create an unpleasant close - open loop.
The best thing would be uploading your assembly somewhere. Does not even need to be in the workshop so I can see what exactly you are talking about.
There is no way that two motion detectors when you can use only one makes it cleaner. You are wasting components, resources and extending the complexity of the circuitry.
[/quote]
Yes and no. Designing always hovers between complexity due to too many parts and distribution of "jobs". The second motion sensor made it more simple because it acts independent from the main one and makes sure the system resets itself (=closing the door).
Yeah this is why I work with toggles if possible. Toggles are a lot easier to calibrate and prevent none sense results when used properly.
I don't think the OR component plays any role here.
From what you are describing, you are doing exactly what I described in my last paragraph. You have two water detectors on both sides of the door wired up to an OR wired to a NOT wired to a relay which connects the motion sensor to the door. If water is detected on either side, the relays set state will be set to 0 and detector will be off.
This is EXACTLY what I described in my last paragraph and I also described why I do not like that, since, if the relay is on (There is no water) and you press the any of the buttons, you can create an unpleasant close - open loop.
The best thing would be uploading your assembly somewhere. Does not even need to be in the workshop so I can see what exactly you are talking about. [/quote]
It does. Because cutting off the motion sensor for opening the door makes it possible to use the buttons and the reset mechanism closes the door independent from the opening mechanism. It prevents the "inter" states.
Edit: I just noticed a bug on my doors, I will have to reevaluate my design :/