Hi, you can click on 'Automatic Link' to link the devices to the project with 'Read' permissions. Subsequently, by sending commands to the device using the OpenAPIs（e.g. POST:/v1.0/devices/{device_id}/commands）, its permissions will be upgraded to 'Read/Write', making it controllable. Also, remember...

Yes, Tuya provides basic IoT Core services for non-whole-home smart scenarios. You can use Tuya devices to develop various IoT projects based on this service. For more information about the IoT Core capability, you can refer to：https://developer.tuya.com/en/docs/cloud/device-connection-service?id=Kb...