(I only own older Tuya devices that I flashed with Tasmota before setting them up with Home-Assistant. But I think what they sell nowadays can’t be flashed with a free and open-source firmware. So the Tuya integration should work. But I haven’t tried it.)
Unfortunately with the smart home stuff, you’re often stuck with some vendor and their decisions. You have to pay close attention before buying devices. There is a chance your Tuya devices are supported by something like the mentioned Tasmota. They have a long list. But flashing a new firmware on some lightbulb is a bit cumbersome and you can brick the devices easily. It’s probably not something you want to do unless this is your hobby.
I can recommend buying Zigbee devices and a supported gateway, or something alike. That works without some cloud service.
Unfortunately things once have been easier. The first Tuya devices contained ESP8266 microcontrollers and had a vulnerability that allowed users to just upload a different firmware. But at some point they started using some cheaper microcontrollers that aren’t as easy to program. So there is no custom firmware available for many/most of the recent devices. Beware if the supported devices repository says “soldering required” or “module needs to be replaced”. I don’t know why they do this, but it requires a hot air soldering station and proper soldering skills.
Regarding Zigbee: I bought some Ikea stuff. The lightbulbs work fine. But I also had issues with the buttons.
It does work although breaks occasionally and you seem to need a (free) token from tuya to get it running now. That said it let’s me use my tuya devices through homekit now which is pretty handy.
https://www.home-assistant.io/integrations/tuya/
(I only own older Tuya devices that I flashed with Tasmota before setting them up with Home-Assistant. But I think what they sell nowadays can’t be flashed with a free and open-source firmware. So the Tuya integration should work. But I haven’t tried it.)
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Unfortunately with the smart home stuff, you’re often stuck with some vendor and their decisions. You have to pay close attention before buying devices. There is a chance your Tuya devices are supported by something like the mentioned Tasmota. They have a long list. But flashing a new firmware on some lightbulb is a bit cumbersome and you can brick the devices easily. It’s probably not something you want to do unless this is your hobby.
I can recommend buying Zigbee devices and a supported gateway, or something alike. That works without some cloud service.
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https://templates.blakadder.com/
Unfortunately things once have been easier. The first Tuya devices contained ESP8266 microcontrollers and had a vulnerability that allowed users to just upload a different firmware. But at some point they started using some cheaper microcontrollers that aren’t as easy to program. So there is no custom firmware available for many/most of the recent devices. Beware if the supported devices repository says “soldering required” or “module needs to be replaced”. I don’t know why they do this, but it requires a hot air soldering station and proper soldering skills.
Regarding Zigbee: I bought some Ikea stuff. The lightbulbs work fine. But I also had issues with the buttons.
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It does work although breaks occasionally and you seem to need a (free) token from tuya to get it running now. That said it let’s me use my tuya devices through homekit now which is pretty handy.