What I needed was much simpler. CNB's door has a pulse-activated input (RS NOR latch?) so all I had to do was run split-inputs...
When I click either button, a signal runs directly to the input on the door and opens immediately, while the same signal splits off down a series of repeaters (10 in all at the moment, but it's a bit too long, so I may shorten it), which in turn sends a delayed signal back to the input, triggering it again to close about 5 seconds later.
I may do a video of it later. It's really REALLY simple. I wouldn't even call it a "contraption". LOL!
I was proud do figure it out on my own though.
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I do like the idea of pushing a button and having it close behind me. Very cool!
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Retired StaffWhen I click either button, a signal runs directly to the input on the door and opens immediately, while the same signal splits off down a series of repeaters (10 in all at the moment, but it's a bit too long, so I may shorten it), which in turn sends a delayed signal back to the input, triggering it again to close about 5 seconds later.
I may do a video of it later. It's really REALLY simple. I wouldn't even call it a "contraption". LOL!
I was proud do figure it out on my own though.