[anonymfus]

> Door has a handle; no door button.

Door button is a safety feature. Door handle would be inherently less safe because easier to forcefully open and easier to break in such way that it opens itself.

> Expire remaining time after a short while.

That would make interface unaccessible for people who can not react and press buttons fast enough.

[mdpye]

> Door button is a safety feature. Door handle would be inherently less safe because easier to forcefully open and easier to break in such way that it opens itself.

Really? I've seen plenty of button less ones. The door switch is a safety feature. Open the door, the power stops, I'm not sure how the button is relevant?

[NeutronStar]

The delay could be something like 10 minutes...

[anonymfus]

That will still exclude people who needs more than 10 minutes.

[thotsBgone]

Who needs more than 10 minutes to press one button besides someone who is currently having a stroke?