I was accidentally locked out of home again, and I had to call a professional to open the lock.

But if someone was home, they could have just turned the knob of the door from inside. There’s a device that can do that? It needs to do 3 full turns and it requires a bit of force to do that (armored door with iron bars that slide in every direction, so it has a big inertia to start)

I saw a ready solution on a store, the iseo x1r, but that costs 1000 euro + another 200 for the gateway (not mandatory but otherwise it uses proprietary Bluetooth protocol and so it can’t talk with HA

  • megaman@discuss.tchncs.de
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    13 days ago

    It sounds like you have a heavy duty door lock to be very secure, but you are essentially trying to backdoor all that security with a new internet-connected thing. An adversary only has to break the weakest link here, rendering the physical door lock obsolete.

    If you are just going to have some digitally-connected device ultimately controlling access to the house, I’d go with just some standard door lock that does that (i haven’t used em but they exist). The physical lock on those is surely less what you have know, but with your proposed solution the physical lock probably isnt what people who crack anyway.

    • credo@lemmy.world
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      13 days ago

      Yes, but now you’re weakening two aspects of the security, not just one. And for the digital solution you would also need to (break into the network + break into HA) -or- (break zigbee/zwave/thread) + be physically present to take advantage. I would argue this is generally more secure than a mass-produced lock with unknown vulnerabilities that’s easily recognizable from outside.

  • just_another_person@lemmy.world
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    13 days ago

    The issue is going to be that you need 3 full turns. It also sounds like you’re not actually describing a “knob”, meaning a normal doorknob, but some sort of metal wheel.

    Picture may be more helpful, but it certainly sounds like nothing would exist for this.

  • normalexit@lemmy.world
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    13 days ago

    It’s not high tech, but a door lock with a simple pin pad has been great at my house. Never have to worry about having keys or getting locked out. Just have to change some batteries every six months or so. This isn’t Internet connected, but I see that as a benefit.

    • Moonrise2473@feddit.itOP
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      13 days ago

      When you close it, it’s not possible* to open it again from outside

      * = only the triangular piece engages, so a professional can unlock it from outside by using a thin sheet of steel

    • Moonrise2473@feddit.itOP
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      13 days ago

      Nice this looks compatibile, except for the open sensor, my door has an ultra thick frame and it’s only possible to install it at 12 cm, while the guide says 4 cm max. Does it really need it?

      • JaddedFauceet@lemmy.world
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        12 days ago

        It is used to detect closing of door and lock the door once it is closed. You may need it during the initial setup. as long as it can be placed close to the door lock, it should work ok.

        otherwise, once integrated with HA, you can probably use your own contact sensor and trigger door lock using HA

        btw, i am using ESPHome bluetooth proxy with Switchbot

  • ulterno@lemmy.kde.social
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    13 days ago

    I’d rather switch to a lock that doesn’t lock automatically and captures the key, when open.

    Ok, the latter is probably a bad idea for a fixed lock. Works pretty well for a padlock.