Hello. I am new here and I have yet to dip my nose into setting up HA. My house is running yeelights v3 bulbs and it unfortunately does not support any door sensor provided by XiaoMi… I am wondering if HA can somehow use the door sensor from tuya to control yeelight? Thank you for your time 
Tuya can’t control yeelight native. And the tuya integration in HA does not support tuya sensors. So it can’t be done directly (through tuya) or indirect (through HA)
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Thank you for the answer!
I’ve achieved something similar using Sonoff Mini and YeeLight bulbs via Automations:
The trigger is the switch state
entity_id: switch.SWITCH_ENTITY_NAME
platform: state
The action is calling service light.toggle
data: {}
entity_id: light.LAMP_ENTITY_NAME
service: light.toggle
Basically, the automation toggles lightbulbs state, based on any state change of the switch (doesn’t matter, whether it’s turned on or off. I configured it that way, because I also trigger the light from my phone occasionally, via Google Assistant or via other automations). Nevertheless, using some conditions amd a bit more complicated automation, you can sync switch and bulb statuses - if needed.
If your devices are configured to communicate via LAN (not sure about Tuya, but YeeLight bulbs can do that) - works like charm.
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Wow looking at this it totally seem possible. I have some tuya relays in my house and they seem to work even when my internet was down so i guess they are automatically configured to work via LAN.
Relays, switches, lights, covers all work with the tuya platform. Motion and door sensors don’t.
Ah I see. Well at least it looks like I can use sonoff/tuya switches to toggle my yeelight… better than nothing. Thank you.