this post was submitted on 15 Sep 2024
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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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

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[–] AbidingOhmsLaw@lemmy.ml 6 points 1 month ago (10 children)

If you have some electronic skill you can use espHome on a esp32 microcontroller to control an RC Servo motor.

https://esphome.io/components/servo.html

If you want out-of-box there are several electronic locks that will work.

https://community.home-assistant.io/t/smart-locks-compatible-with-home-assistant/590662

[–] Prunebutt@slrpnk.net 4 points 1 month ago* (last edited 1 month ago) (5 children)

RC Servo motor

My guess is that a servo will probably be a bit too weak for that. They'll propably need a stepper motor.

[–] ulterno@lemmy.kde.social 0 points 1 month ago (2 children)

Gears !!!

Read that with elongated syllables, sparkles and reverb

[–] Oisteink@lemmy.world 4 points 1 month ago (1 children)

What kind of servo would you use with gears and still enable 3 x 360 degree revolution?

[–] ulterno@lemmy.kde.social 0 points 1 month ago

Oopsie! You're right. No way.

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