rat-ratgdo
elkm1
rat-ratgdo | elkm1 | |
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2 | 2 | |
290 | 0 | |
- | - | |
9.6 | 3.9 | |
about 2 months ago | 7 months ago | |
HTML | Rust | |
MIT License | Apache License 2.0 |
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rat-ratgdo
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Home Assistant blocked from integrating with Garage Door opener API
You may actually need a little bit of extra information to recreate the little PCB board that the ratgdo software relies on to interface the espressif to the terminals of your opener.
It's not terribly complicated but for reasons that are polarizing to many in the garage-door-automation society, the author of the software, although leaving the code completely open source is averse to publishing schematics for the PCB board itself, so others have had to step in and reverse engineer these.
I believe, although I have not verified because I haven't tried this myself, that this site provides both the schematics you need as well as information necessary to Flash the software onto your ESP device.
https://github.com/Kaldek/rat-ratgdo/tree/main
elkm1
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Home Assistant blocked from integrating with Garage Door opener API
ratgdo looks really nice! I've been controlling my garage door via dry contact on my Elk security system [1] and monitoring the door status via a separate rolling door reed sensor. [2] But from following the ratgdo link, I learned that my "Security+ 1.0" garage door opener has a RS-232 interface with a protocol that will tell you about door status and obstructions. That's better!
I just clicked the buy link on the ratgdo thing to support the nice, well-documented open-source [3] project. In truth though I have the right hardware sitting around here already, so I might just use that depending on how long the "back ordered" status lasts...
[1] There's a Home Assistant integration for the Elk M1 Gold with some Python library; I also have my own WIP Rust library for interacting with it here: <https://github.com/scottlamb/elkm1>
[2] something like this one: https://www.amazon.com/Gebildet-Security-Rolling-Magnetic-Ap...
[3] docs at <https://paulwieland.github.io/ratgdo/> but the actual code is in a separate repo at <https://github.com/ratgdo/esphome-ratgdo>
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I made a home security system, powered by a Raspberry Pi 3
I own one. It's good but not perfect. Some complaints:
* The protocol has a lot of oddities. E.g. it sends out spurious "fully armed" messages when it's actually in the process of arming [1] so a good integration has to debounce these. (The one built into Home Assistant doesn't, last I checked. It just reports weird states. iirc it will even say "arming" long after the panel is fully armed.) The command to disarm remotely only works if the user whose code is supplied is configured in a particular way. (Can't find the reference for this right now.)
* The remote programming tool is a flaky VB.NET app. The protocol for this part isn't documented, although I've reverse-engineered part of it.
fwiw, I have a work-in-progress Rust crate for talking with the Elk. It can be used as an alternate Home Assistant integration via MQTT. [2]
I can definitely see the appeal of rolling your own. One problem though is that I think when talking to an alarm company, the panel is supposed to be certified in some way, which would be a significant barrier for a hobbyist design.
[1] https://www.elkproducts.com/forums/topic/spurious-armed-full...
[2] https://github.com/scottlamb/elkm1
What are some alternatives?
secplus - A software implementation of the Security+ system used by garage door openers
esphome-ratgdo - ratgdo for ESPHome
Ubiquiti
tuya-local - Local support for Tuya devices in Home Assistant
pialarm - Alarm controller based on the PiFace Digital board.
pymyq - Python wrapper for MyQ API
nixpkgs - Nix Packages collection & NixOS
ratgdo
home-assistant.io - :blue_book: Home Assistant User documentation